Circular MIL Spec Connectors – Mouser Lithuania

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Backshells

Amphenol PCD Backshells offer strain relief, environmental protection, and 360° EMI/RFI shielding at the termination area of virtually any circular connector. These connectors feature a base material constructed of aluminum alloy, stainless steel, brass, or composite and a variety of finishes such as black zinc nickel, cadmium, electroless nickel, anodized black, passivated, and more. Amphenol PCD Backshells have custom designs available and meet or exceed RoHS/REACH compliance standards. Available in both military specifications and commercial types for any application, these backshells meet the Society of Automotive Engineers (SAE) AS85049 standard.

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Types of Circular MIL Spec Connectors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Product	MIL Type	Shell Size	Shell Style
Circular MIL Spec Backshells Straight Shell size 10 Black Zinc Nickel w/ Exposed Nickel Entry Size 3 M85049/82-10ZP03 Amphenol PCD 1: 48,74 € 33In Stock	Mfr. Part No. M85049/82-10ZP03 Mouser Part No 523-M85049/82-10ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 10 Black Zinc Nickel w/ Exposed Nickel Entry Size 3 Learn More about Amphenol PCD backshells	Datasheet	33In Stock	48,74 € 42,27 € 39,13 € 38,34 € View 36,52 € 34,87 €	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	10	Straight
Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 1 M85049/85-12ZP01 Amphenol PCD 1: 48,24 € 40In Stock	Mfr. Part No. M85049/85-12ZP01 Mouser Part No 523-M85049/85-12ZP01	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 1 Learn More about Amphenol PCD backshells	Datasheet	40In Stock	48,24 € 41,83 € 40,88 € 40,51 € 35,69 €	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	12	Straight
Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/88-25ZP02 Amphenol PCD 1: 75,81 € 47In Stock	Mfr. Part No. M85049/88-25ZP02 Mouser Part No 523-M85049/88-25ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	47In Stock	75,81 € 57,50 € 52,98 € View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	25	Straight
Circular MIL Spec Backshells 88 Backshell Band Lock M85049/88-9N03 Amphenol PCD 1: 29,45 € 3 557In Stock 275Expected 10/15/2026	Mfr. Part No. M85049/88-9N03 Mouser Part No 523-85049/88-9N03	Amphenol PCD	Circular MIL Spec Backshells 88 Backshell Band Lock Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	3 557In Stock 275Expected 10/15/2026	29,45 € 27,20 € 25,22 € 24,82 € View 24,02 € 23,50 € 21,40 €	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	9
Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/85-18ZP02 Amphenol PCD 1: 54,04 € 31In Stock	Mfr. Part No. M85049/85-18ZP02 Mouser Part No 523-M85049/85-18ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	31In Stock	54,04 € 46,87 € 46,73 € 45,80 € View 45,18 € 44,87 € Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	18	Straight
Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 3 M85049/88-25ZP03 Amphenol PCD 1: 64,86 € 25In Stock	Mfr. Part No. M85049/88-25ZP03 Mouser Part No 523-M85049/88-25ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 3 Learn More about Amphenol PCD backshells	Datasheet	25In Stock	64,86 € 57,65 € 56,36 € 54,88 € View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	25	Straight
Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPTR CAD SZ 23 M85049/89-23W03 Amphenol PCD 1: 62,72 € 570In Stock	Mfr. Part No. M85049/89-23W03 Mouser Part No 523-85049/89-23W03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPTR CAD SZ 23 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	570In Stock	62,72 € 56,90 € 54,41 € 52,47 € 50,40 €	Min.: 1 Mult.: 1	No	Band Lock Adapters	MIL-DTL-38999 III, IV	23
Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 3 M85049/82-08ZP03 Amphenol PCD 1: 47,10 € 28In Stock	Mfr. Part No. M85049/82-08ZP03 Mouser Part No 523-M85049/82-08ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 3 Learn More about Amphenol PCD backshells	Datasheet	28In Stock	47,10 € 40,84 € 37,82 € 37,52 € View 34,84 € Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	8	Straight
Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 3 M85049/82-16ZP03 Amphenol PCD 1: 54,02 € 25In Stock	Mfr. Part No. M85049/82-16ZP03 Mouser Part No 523-M85049/82-16ZP03	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 3 Learn More about Amphenol PCD backshells	Datasheet	25In Stock	54,02 € 46,84 € 45,78 € 41,15 € View 39,97 € Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	16	Straight
Circular MIL Spec Backshells Straight Shell size 28 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/82-28ZP02 Amphenol PCD 1: 69,24 € 23In Stock	Mfr. Part No. M85049/82-28ZP02 Mouser Part No 523-M85049/82-28ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 28 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	23In Stock	69,24 € 61,55 € 60,15 € 60,13 € View Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	28	Straight
Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 23 M85049/1923N07 Amphenol PCD 1: 62,18 € 28In Stock	Mfr. Part No. M85049/1923N07 Mouser Part No 523-85049/1923N07	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 23 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	28In Stock	62,18 € 55,27 € 53,21 € 53,12 € View Quote	Min.: 1 Mult.: 1		Non-Environmental EMI/RFI Backshells	MIL-DTL-38999 III, IV	23	Straight
Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPT NIC SZ 15 M85049/89-15N02 Amphenol PCD 1: 49,44 € 35In Stock	Mfr. Part No. M85049/89-15N02 Mouser Part No 523-85049/89-15N02	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPT NIC SZ 15 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	35In Stock	49,44 € 44,38 € 42,52 € 40,49 €	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	15
Circular MIL Spec Backshells 90 Degrees Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry 3 M85049/84-8ZP03 Amphenol PCD 1: 70,66 € 23In Stock	Mfr. Part No. M85049/84-8ZP03 Mouser Part No 523-M85049/84-8ZP03	Amphenol PCD	Circular MIL Spec Backshells 90 Degrees Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry 3 Learn More about Amphenol PCD backshells	Datasheet	23In Stock	70,66 € 62,81 € 55,62 € Quote Quote	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-5015, MIL-DTL-26482 II	8	90 Deg
Circular MIL Spec Backshells Straight Shell size 14 Black Zinc Nickel w/ Exposed Nickel Entry 1 M85049/85-14ZP01 Amphenol PCD 1: 50,10 € 47In Stock	Mfr. Part No. M85049/85-14ZP01 Mouser Part No 523-M85049/85-14ZP01	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 14 Black Zinc Nickel w/ Exposed Nickel Entry 1 Learn More about Amphenol PCD backshells	Datasheet	47In Stock	50,10 € 43,45 € 42,46 € 42,08 € 37,07 €	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	14	Straight
Circular MIL Spec Backshells BACKSHELL ENV ST NIC M85049/11-13N Amphenol PCD 1: 49,99 € 31In Stock	Mfr. Part No. M85049/11-13N Mouser Part No 523-85049/11-13N	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV ST NIC Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	31In Stock	49,99 € 44,63 € 43,19 € 42,41 € 40,39 €	Min.: 1 Mult.: 1		Environmental Backshells	MIL-DTL-5015, MIL-DTL-26482 II	12	Straight
Circular MIL Spec Backshells BACKSHELL ENV ST NIC M85049/11-19N Amphenol PCD 1: 80,89 € 50In Stock	Mfr. Part No. M85049/11-19N Mouser Part No 523-85049/11-19N	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV ST NIC Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	50In Stock	80,89 € 71,41 € 67,96 € 64,97 € 60,84 €	Min.: 1 Mult.: 1		Environmental Backshells	MIL-DTL-5015, MIL-DTL-26482 II	14	Straight
Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI M85049/1819N07 Amphenol PCD 1: 60,00 € 48In Stock	Mfr. Part No. M85049/1819N07 Mouser Part No 523-85049/1819N07	Amphenol PCD	Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	48In Stock	60,00 € 53,47 € 51,04 € 48,72 € View 46,36 € 46,24 € Quote	Min.: 1 Mult.: 1		Environmental EMI/RFI Backshells	MIL-DTL-38999 III, IV	19	Straight
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25 M85049/1825N07 Amphenol PCD 1: 62,15 € 63In Stock	Mfr. Part No. M85049/1825N07 Mouser Part No 523-85049/1825N07	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	63In Stock	62,15 € 56,85 € 53,01 €	Min.: 1 Mult.: 1		Environmental EMI/RFI Backshells	MIL-DTL-38999 III, IV	25	Straight
Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 15 M85049/1915N04 Amphenol PCD 1: 52,15 € 33In Stock	Mfr. Part No. M85049/1915N04 Mouser Part No 523-85049/1915N04	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 15 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	33In Stock	52,15 € 45,22 € 41,58 € 40,05 € View 39,60 € Quote	Min.: 1 Mult.: 1		Non-Environmental EMI/RFI Backshells	MIL-DTL-38999 III, IV	15	Straight
Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 23 M85049/1923N08 Amphenol PCD 1: 63,36 € 5In Stock	Mfr. Part No. M85049/1923N08 Mouser Part No 523-85049/1923N08	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 23 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	5In Stock	63,36 € 55,86 € 49,86 € 47,49 € View 47,48 € Quote	Min.: 1 Mult.: 1		Non-Environmental EMI/RFI Backshells	MIL-DTL-38999 III, IV	23	Straight
Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 13 M85049/2113N03 Amphenol PCD 1: 36,92 € 46In Stock	Mfr. Part No. M85049/2113N03 Mouser Part No 523-85049/2113N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL NON ENV ST NIC SZ 13 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	46In Stock	36,92 € 32,10 € 28,82 € 28,80 € View 27,43 € 25,71 €	Min.: 1 Mult.: 1		Non-Environmental Backshells	MIL-DTL-38999 III, IV	13	Straight
Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 21 M85049/1921N05 Amphenol PCD 1: 56,96 € 32In Stock	Mfr. Part No. M85049/1921N05 Mouser Part No 523-85049/1921N05	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 21 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	32In Stock	56,96 € 49,41 € 49,16 € 44,14 € View 42,05 € 41,99 € Quote	Min.: 1 Mult.: 1		Non-Environmental EMI/RFI Backshells	MIL-DTL-38999 III, IV	21	Straight
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 25 M85049/88-25N02 Amphenol PCD 1: 50,51 € 234In Stock	Mfr. Part No. M85049/88-25N02 Mouser Part No 523-85049/88-25N02	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 25 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	234In Stock	50,51 € 43,81 € 37,98 € 37,65 € 36,90 €	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	25
Circular MIL Spec Backshells Straight Shell size 14 Black Zinc Nickel w/ Exposed Nickel Entry 2 M85049/85-14ZP02 Amphenol PCD 1: 50,10 € 25In Stock	Mfr. Part No. M85049/85-14ZP02 Mouser Part No 523-M85049/85-14ZP02	Amphenol PCD	Circular MIL Spec Backshells Straight Shell size 14 Black Zinc Nickel w/ Exposed Nickel Entry 2 Learn More about Amphenol PCD backshells	Datasheet	25In Stock	50,10 € 43,45 € 42,46 € 42,08 € 37,07 €	Min.: 1 Mult.: 1		Band Lock Adapters	MIL-DTL-38999 III, IV	14	Straight
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 14 M85049/1714N02 Amphenol PCD 1: 53,80 € 53In Stock	Mfr. Part No. M85049/1714N02 Mouser Part No 523-85049/1714N02	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 14 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	53In Stock	53,80 € 46,26 € 45,50 € 43,99 €	Min.: 1 Mult.: 1		Environmental EMI/RFI Backshells	MIL-DTL-38999 I, II	14	Straight

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