55 x #20 · Socket · Shell 22 · Insert 22-55 · Bayonet, quick disconnect (3-point)
MS3121E22-55S
MIL-C-26482 Series 1
MIL-DTL-26482 Series 1
MS3121 — Cable Connecting Plug (crimp)
22
22-55
55 x #20
Socket
Bayonet, quick disconnect (3-point)
Crimp
Rear release, rear removable
Aluminium alloy
Class E — olive drab cadmium over aluminium alloy
-55°C to +125°C
500 mating cycles minimum
500 hours (class E / class W finish)
10–2000 Hz, 20 g
EMI/RFI grounding fingers on plug shells
5 keyway polarisation, alternate key positions available
Elastomeric insert seal, environmental
Amphenol, ITT Cannon, Souriau, Conesys / Aero-Electric, Deutsch
| Airoadcon / MIL | Amphenol | ITT Cannon | Conesys / Souriau |
|---|---|---|---|
| MS3121E22-55S | Amphenol / Bendix MS series | ITT Cannon MS series | Souriau 8510 / 851 series |
MIL-DTL-26482 Series 1 uses front-release, rear-removable crimp contacts so a contact can be serviced from the mating face without disturbing the insert. The bayonet coupling gives a 3-point quick disconnect with visual and audible lock indication. MS3121E22-55S keeps the standard shell/insert interface, so a receptacle and plug of the same shell size, insert arrangement and polarisation mate regardless of brand; the contacts, tools and backshells must be matched to the series. Cross-reference values are form, fit and function equivalents — confirm the mating half, backshell and contact gender before ordering.
Need MS3121E22-55S?
Cross-brand compatible. Free samples available. 4-week lead time on standard configurations. Email: info@airoadcon.com | Phone: +86-189-9192-7716
Request Quote / Sample