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M28876 Fiber Optic Connectors

Amphenol Fiber Systems International M28876 Fiber Optic Connectors are precision-machined to stringent tolerances and designed to provide superior optical performance in extreme environmental conditions. These circular fiber optic connectors are designed and qualified to MIL-PRF-28876, Rev E. The series offers rugged military and industrial multi-channel fiber optic connectors for deployable, shipboard, outdoor, and fixed-system requirements. The backshell features the Quickloc™ captivation system that Amphenol Fiber Systems International developed and offers easy installation. It is also easy to remove the aramid yarn of the cable (KEVLAR®) captivation and recapture without cutting back the cable. The Quickloc backshell allows easy access to maintain or reconfigure termini without altering the captivated aramid fiber.

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Part #

Circular MIL Spec Backshells

M28876/27B2
Amphenol FSI
1: $359.42
22In Stock
30Expected 10/06/2026

Mfr. Part No.
M28876/27B2

Mouser Part No
523-M28876/27B2

Circular MIL Spec Backshells

Datasheet

22In Stock

30Expected 10/06/2026

$359.42

$307.02

$301.52

$299.31

View

Min.: 1
Mult.: 1

No

Fibre Optic Connectors Plug w/ Straight backshell, Shell Size 13, 4 CH, 0.305-0.346 in. cable diameter, pin, key 6, BLACK HARD ANODIZE WITH PTFE

M28876/7B12P6
Amphenol FSI
1: $498.35
4In Stock

Mfr. Part No.
M28876/7B12P6

Mouser Part No
523-M28876/7B12P6

Fibre Optic Connectors Plug w/ Straight backshell, Shell Size 13, 4 CH, 0.305-0.346 in. cable diameter, pin, key 6, BLACK HARD ANODIZE WITH PTFE

Datasheet

4In Stock

$498.35

$449.10

$433.01

Min.: 1
Mult.: 1

Fibre Optic Connectors Plug w/ Straight backshell, Shell Size 13, 4 CH, 0.305-0.346 in. cable diameter, pin, key 3, BLACK HARD ANODIZE WITH PTFE

M28876/7B12P3
Amphenol FSI
1: $596.56
9In Stock

Mfr. Part No.
M28876/7B12P3

Mouser Part No
523-M28876/7B12P3

Fibre Optic Connectors Plug w/ Straight backshell, Shell Size 13, 4 CH, 0.305-0.346 in. cable diameter, pin, key 3, BLACK HARD ANODIZE WITH PTFE

Datasheet

9In Stock

$596.56

$544.56

$525.02

Min.: 1
Mult.: 1

No

Fibre Optic Connectors Receptacle wall mount w/ out backshell, Shell Size 23, 31 CH, socket, key 1, BLACK HARD ANODIZE WITH PTFE

M28876/1F1S1
Amphenol FSI
1: $803.73
3In Stock

Mfr. Part No.
M28876/1F1S1

Mouser Part No
523-M28876/1F1S1

Fibre Optic Connectors Receptacle wall mount w/ out backshell, Shell Size 23, 31 CH, socket, key 1, BLACK HARD ANODIZE WITH PTFE

Datasheet

3In Stock

$803.73

$744.72

$718.02

Min.: 1
Mult.: 1

No

Fibre Optic Connectors Plug w/ Straight backshell, Shell Size 13, 4 CH, 0.280-0.315 in. cable diameter, pin, key 1, BLACK HARD ANODIZE WITH PTFE

M28876/7B11P1
Amphenol FSI
1: $612.43
5In Stock

Mfr. Part No.
M28876/7B11P1

Mouser Part No
523-M28876/7B11P1

Fibre Optic Connectors Plug w/ Straight backshell, Shell Size 13, 4 CH, 0.280-0.315 in. cable diameter, pin, key 1, BLACK HARD ANODIZE WITH PTFE

Datasheet

5In Stock

$612.43

$551.92

$535.98

Min.: 1
Mult.: 1

Fibre Optic Connectors PLG, SH13, K2, 4CH P INS, BK H ADZ, M28876

M28876/6B1P2
Amphenol FSI
1: $291.38
11In Stock

Mfr. Part No.
M28876/6B1P2

Mouser Part No
523-M28876/6B1P2

Fibre Optic Connectors PLG, SH13, K2, 4CH P INS, BK H ADZ, M28876

Datasheet

11In Stock

$291.38

$249.49

$240.54

$238.80

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells MIL-Spec, Plug Conn Shll Sz 13, Pin

M28876/7B12P1
Amphenol FSI
1: $552.16
65In Stock

Mfr. Part No.
M28876/7B12P1

Mouser Part No
523-M28876/7B12P1

Circular MIL Spec Backshells MIL-Spec, Plug Conn Shll Sz 13, Pin

Datasheet

65In Stock

$552.16

$507.94

$496.93

Min.: 1
Mult.: 1

Fibre Optic Connectors PLG, ST BS, SH15, K3, 6CH P INS, .500, BK H ADZ, M28876

M28876/7C21P3
Amphenol FSI
1: $563.62
8In Stock

Mfr. Part No.
M28876/7C21P3

Mouser Part No
523-M288767C21P3

Fibre Optic Connectors PLG, ST BS, SH15, K3, 6CH P INS, .500, BK H ADZ, M28876

Datasheet

8In Stock

$563.62

$507.36

$493.02

Min.: 1
Mult.: 1

Circular MIL Spec Connector FIBER JN RCPT 4 CHNL MIL

M28876/11B1S1
Amphenol FSI
1: $487.78
8In Stock

Mfr. Part No.
M28876/11B1S1

Mouser Part No
523-M28876/11B1S1

Circular MIL Spec Connector FIBER JN RCPT 4 CHNL MIL

Datasheet

8In Stock

$487.78

$441.90

$426.05

Min.: 1
Mult.: 1

Fibre Optic MIL Spec Connectors Receptacle wall mount w/ out backshell, Shell size 15, 8 CH, socket, key 1, BLACK HARD ANODIZE WITH PTFE

M28876/1C1S1
Amphenol FSI
1: $442.74
21In Stock

Mfr. Part No.
M28876/1C1S1

Mouser Part No
523-M28876/1C1S1

Fibre Optic MIL Spec Connectors Receptacle wall mount w/ out backshell, Shell size 15, 8 CH, socket, key 1, BLACK HARD ANODIZE WITH PTFE

Datasheet

21In Stock

$442.74

$346.66

Min.: 1
Mult.: 1

Fibre Optic Connectors PLG, 45 BS, SH23, K1, 31CH P INS, .866, BK H ADZ, M28876

M28876/8F11P1
Amphenol FSI
1: $1,551.12
2In Stock

Mfr. Part No.
M28876/8F11P1

Mouser Part No
523-M28876/8F11P1

Fibre Optic Connectors PLG, 45 BS, SH23, K1, 31CH P INS, .866, BK H ADZ, M28876

Datasheet

2In Stock

$1,551.12

$1,446.16

Min.: 1
Mult.: 1

Fibre Optic Connectors MIL-Spec, Rcpt, Sckt Wall Mnt, Shll Sz 13

M28876/1B1S1
Amphenol FSI
1: $317.58
44In Stock
148On Order

Mfr. Part No.
M28876/1B1S1

Mouser Part No
523-M28876/1B1S1

Fibre Optic Connectors MIL-Spec, Rcpt, Sckt Wall Mnt, Shll Sz 13

Datasheet

44In Stock

148On Order

$317.58

$271.94

$262.18

$260.29

View

Min.: 1
Mult.: 1

Fibre Optic Connectors PLUG; 90 BACKSHELL; SH15; CABLE RANGE DIAMETER .347-.379; PIN INSERT; BLACK HARD ANODIZE WITH PTFE

M28876/9C13P1
Amphenol FSI
1: $726.86
1In Stock

Mfr. Part No.
M28876/9C13P1

Mouser Part No
523-M28876/9C13P1

Fibre Optic Connectors PLUG; 90 BACKSHELL; SH15; CABLE RANGE DIAMETER .347-.379; PIN INSERT; BLACK HARD ANODIZE WITH PTFE

Datasheet

1In Stock

$726.86

$663.50

$639.71

Min.: 1
Mult.: 1

Fibre Optic Connectors PLG, ST BS, SH15, K2, 6CH P INS, .500, BK H ADZ, M28876

M28876/7C21P2
Amphenol FSI
1: $740.58
24In Stock

Mfr. Part No.
M28876/7C21P2

Mouser Part No
523-M288767C21P2

Fibre Optic Connectors PLG, ST BS, SH15, K2, 6CH P INS, .500, BK H ADZ, M28876

Datasheet

24In Stock

$740.58

$686.21

Quote

Min.: 1
Mult.: 1

Fibre Optic Connectors M28876 Connector;Wall mount receptacle, no backshell; Shell size 13; 4 CH; Socket insert; key desgination AR/AP: 113, BR/BP: 156, CR/CP: 182, DR/DP: 292; with retaining hardware; black hard anodize with PTFE

M28876/1B1S2
Amphenol FSI
1: $422.37
8In Stock

Mfr. Part No.
M28876/1B1S2

Mouser Part No
523-M28876/1B1S2

Fibre Optic Connectors M28876 Connector;Wall mount receptacle, no backshell; Shell size 13; 4 CH; Socket insert; key desgination AR/AP: 113, BR/BP: 156, CR/CP: 182, DR/DP: 292; with retaining hardware; black hard anodize with PTFE

Datasheet

8In Stock

$422.37

$374.70

$361.26

$358.62

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells

M28876/8C13P1
Glenair
1: $6,771.84
41Stock Available

Mfr. Part No.
M28876/8C13P1

Mouser Part No
523-M28876/8-C13P1

Glenair

Circular MIL Spec Backshells

41Stock Available

More Info Available

$6,771.84

Min.: 1
Mult.: 1

Fibre Optic Connectors 90 BS, SH13, .305-.346, BK H ADZ, M28 876

M28876/29B2
Amphenol FSI
100: $221.60
Non-Stocked Lead-Time 23 Weeks

Mfr. Part No.
M28876/29B2

Mouser Part No
523-M28876/29B2

Fibre Optic Connectors 90 BS, SH13, .305-.346, BK H ADZ, M28 876

Datasheet

Non-Stocked Lead-Time 23 Weeks

$221.60

Quote

Min.: 100
Mult.: 5

Fibre Optic Connectors Plug w/ Straight backshell, Shell Size 15, 8 CH, 0.495-0.515 in. cable diameter, pin, key 3, BLACK HARD ANODIZE WITH PTFE

M28876/7C11P3
Amphenol FSI
25: $1,029.86
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
M28876/7C11P3

Mouser Part No
523-M28876/7C11P3

Fibre Optic Connectors Plug w/ Straight backshell, Shell Size 15, 8 CH, 0.495-0.515 in. cable diameter, pin, key 3, BLACK HARD ANODIZE WITH PTFE

Datasheet

Non-Stocked Lead-Time 14 Weeks

$1,029.86

Min.: 25
Mult.: 1

Fibre Optic Connectors PLG, ST BS, SH23, K4, 18CH P INS, .600, BK H ADZ, M28876

M28876/7F23P4
Amphenol FSI
5: $1,172.67
Non-Stocked

Mfr. Part No.
M28876/7F23P4

Mouser Part No
523-M28876/7F23P4

Fibre Optic Connectors PLG, ST BS, SH23, K4, 18CH P INS, .600, BK H ADZ, M28876

Datasheet

Non-Stocked

$1,172.67

$1,086.58

Min.: 5
Mult.: 1

Fibre Optic Connectors PLG, 45 BS, SH15, K6, 8CH P INS, .375, BK H ADZ, M28876

M28876/8C13P6
Amphenol FSI
5: $934.40
Non-Stocked

Mfr. Part No.
M28876/8C13P6

Mouser Part No
523-M28876/8C13P6

Fibre Optic Connectors PLG, 45 BS, SH15, K6, 8CH P INS, .375, BK H ADZ, M28876

Datasheet

Non-Stocked

$934.40

$865.79

Quote

Min.: 5
Mult.: 1

Fibre Optic Connectors PLG, 90 BS, SH13, K1, 4CH P INS, .305-.346, M28876

M28876/9B12P1
Amphenol FSI
1: $1,284.16
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
M28876/9B12P1

Mouser Part No
523-M28876/9B12P1

Fibre Optic Connectors PLG, 90 BS, SH13, K1, 4CH P INS, .305-.346, M28876

Datasheet

Non-Stocked Lead-Time 14 Weeks

$1,284.16

$1,175.94

Min.: 1
Mult.: 1

Fibre Optic Connectors STRAIGHT BACKSHELL ONLY; SH15; CABLE RANGE DIAMETER .424-.465; BLACK HARD ANODIZE WITH PTFE

M28876/27C-3
Amphenol FSI
1: $326.37
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
M28876/27C-3

Mouser Part No
523-M2887627C3

Fibre Optic Connectors STRAIGHT BACKSHELL ONLY; SH15; CABLE RANGE DIAMETER .424-.465; BLACK HARD ANODIZE WITH PTFE

Datasheet

Non-Stocked Lead-Time 18 Weeks

$326.37

$284.86

$274.66

$272.67

View

Min.: 1
Mult.: 1

Fibre Optic Connectors PLG, ST BS, SH15, K4, 6CH P INS, .500, BK H ADZ, M28876

M28876/7C21P4
Amphenol FSI
25: $649.82
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
M28876/7C21P4

Mouser Part No
523-M288767C21P4

Fibre Optic Connectors PLG, ST BS, SH15, K4, 6CH P INS, .500, BK H ADZ, M28876

Datasheet

Non-Stocked Lead-Time 14 Weeks

$649.82

$630.38

Min.: 25
Mult.: 1

Fibre Optic Connectors PLG, ST BS, SH23, K3, 18CH P INS, .600, BK H ADZ, M28876

M28876/7F23P3
Amphenol FSI
1: $871.15
Non-Stocked

Mfr. Part No.
M28876/7F23P3

Mouser Part No
523-M288767F23P3

Fibre Optic Connectors PLG, ST BS, SH23, K3, 18CH P INS, .600, BK H ADZ, M28876

Datasheet

Non-Stocked

$871.15

$807.18

Quote

Min.: 1
Mult.: 1

Fibre Optic Connectors PLG, ST BS, SH23, K1, 31CH S INS, 1.00, BK H ADZ, M28876

M28876/7F12S1
Amphenol FSI
10: $617.66
Non-Stocked

Mfr. Part No.
M28876/7F12S1

Mouser Part No
523-M28876/7-F12S1

Fibre Optic Connectors PLG, ST BS, SH23, K1, 31CH S INS, 1.00, BK H ADZ, M28876

Datasheet

Non-Stocked

$617.66

$595.52

Min.: 10
Mult.: 5

No