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MIL-SPEC  · Electronic Components

MS3122E22-55S

Connector, Receptacle, Electrical

Part NumberMS3122E22-55S
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionMOISTURE RESISTANT AND VIBRATION RESISTANT AND SALT WATER RESISTANT
Distance From Mounting Shoulder To0.556 INCHES MINIMUM AND 0.587 INCHES MAXIMUM
Mating End Quantity1
Center To Center Distance Between1.250 INCHES NOMINAL
Shell MaterialALUMINUM ALLOY
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Connector Locking MethodBAYONET PIN
Insert Position In Deg0.0
Included Contact Quantity55 SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD
Precious Material And LocationCONTACT SURFACE GOLD
ESD/EMICode A — ESD/EMI sensitive item
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is MS3122E22-55S available?
We can source MS3122E22-55S even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is MS3122E22-55S by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3122E22-55S has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like MS3122E22-55S?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for MS3122E22-55S?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.