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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: $312.25
22In Stock
30Expected 27/4/2026

Mfr. Part No.
M28876/27B2

Mouser Part No
523-M28876/27B2

Circular MIL Spec Backshells

Datasheet

22In Stock

30Expected 27/4/2026

$312.25

$266.73

$261.95

$260.03

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: $432.94
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

$432.94

$390.16

$376.18

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: $518.26
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

$518.26

$473.09

$456.11

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: $698.24
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

$698.24

$646.98

$623.78

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: $532.05
7In 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

7In Stock

$532.05

$479.48

$465.64

Min.: 1
Mult.: 1

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

M28876/6B1P2
Amphenol FSI
1: $253.13
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

$253.13

$216.74

$208.97

$207.46

View

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: $489.64
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

$489.64

$440.77

$428.31

Min.: 1
Mult.: 1

Circular MIL Spec Connector FIBER JN RCPT 4 CHNL MIL

M28876/11B1S1
Amphenol FSI
1: $423.76
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

$423.76

$383.90

$370.13

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: $384.63
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

$384.63

$301.16

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: $1,347.54
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

$1,347.54

$1,256.35

Min.: 1
Mult.: 1

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

M28876/1B1S1
Amphenol FSI
1: $275.90
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

$275.90

$236.24

$227.77

$226.13

View

Min.: 1
Mult.: 1

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

M28876/7B12P1
Amphenol FSI
1: $479.69
40In Stock
25Expected 24/2/2026

Mfr. Part No.
M28876/7B12P1

Mouser Part No
523-M28876/7B12P1

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

Datasheet

40In Stock

25Expected 24/2/2026

$479.69

$441.27

$431.71

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: $631.46
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

$631.46

$576.42

$555.75

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: $643.38
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

$643.38

$596.14

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: $366.93
8Expected 26/2/2026

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

8Expected 26/2/2026

$366.93

$325.52

$313.85

$311.55

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells

M28876/8C13P1
Glenair
1: $5,883.04
41Stock Available

Mfr. Part No.
M28876/8C13P1

Mouser Part No
523-M28876/8-C13P1

Glenair

Circular MIL Spec Backshells

41Stock Available

More Info Available

$5,883.04

Min.: 1
Mult.: 1

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

M28876/29B2
Amphenol FSI
100: $192.52
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

$192.52

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: $894.69
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

$894.69

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: $1,018.76
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

$1,018.76

$943.96

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: $811.76
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

$811.76

$752.16

Quote

Min.: 5
Mult.: 1

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

M28876/9B12P1
Amphenol FSI
1: $1,115.61
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

$1,115.61

$1,021.59

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: $283.53
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

$283.53

$247.48

$238.61

$236.88

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: $564.53
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

$564.53

$547.65

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: $756.81
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

$756.81

$701.24

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: $536.60
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

$536.60

$517.36

Min.: 10
Mult.: 5

No