MIL-SPEC · Electronic Components
MS3128E22-55SZ
Connector, Receptacle, Electrical
Part NumberMS3128E22-55SZ
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-926-3033 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Insert Position In Deg314.0
Body StyleSTRAIGHT SHAPE, FLANGE MOUNT EXTERNAL COUPLING
Distance Between Centerlines Of Mo1.250 INCHES MINIMUM AND 1.375 INCHES MAXIMUM
Contact Position Arrangement Style22-55 SINGLE MATING END
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface Treatment DocumentMIL-G-45204 TY 1,CL 1,GRADE C MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 GRADE E FED SPEC 2ND TREATMENT RESPONSE SING
Precious Material And Weight0.055 GOLD GRAINS, TROY
Connector Locking MethodBAYONET PIN
Included Contact Quantity55 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface TreatmentGOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface Treatment Document AQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
ESD/EMICode A — ESD/EMI sensitive item
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is MS3128E22-55SZ available?
We can source MS3128E22-55SZ 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 MS3128E22-55SZ by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3128E22-55SZ 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 MS3128E22-55SZ?
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 MS3128E22-55SZ?
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.