Jam Nut Receptacle, no strain relief · Shell A (11) · Designator 1 · Socket (female) · Key 4
MIL-PRF-28876 (shipboard fiber optic)
/11
Jam Nut Receptacle, no strain relief
Fiber optic circular connector
A (shell 11)
1
Socket (female)
4
Fiber optic termini
Threaded
QPL / QML
Navy shipboard fiber-optic interconnect
| Brand | Equivalent Part Number |
|---|---|
| Airoadcon | M28876/11A1S4 |
| Glenair (180-040 series) | M28876/11A1S4 |
| Amphenol (FS3M series) | M28876/11A1S4 |
| Delphi / FCI connection systems | M28876/11A1S4 |
M28876/11A1S4 is a MIL-PRF-28876 shipboard fiber-optic circular connector: jam-nut receptacle with no strain relief on shell size A (shell code 11), with contact designator 1, Socket (female) contacts and key position 4. MIL-PRF-28876 (the successor to MIL-C-28876) covers high-density, high-shock fiber-optic interconnects for U.S. Navy surface and submarine platforms. The slash sheet sets the shell style and strain-relief arrangement — /1–/5 are receptacles, /6–/9 are plugs and /11–/14 are jam-nut receptacles. The part number is identical across every qualified source, so no brand-specific cross number is required.
Need M28876/11A1S4?
Cross-brand compatible. Free samples available. 4-week lead time on standard configurations.
Email: info@airoadcon.com | Phone: +86-189-9192-7716