MIL-SPEC · Electronic Components
M55302/57A70H
Connector, Receptacle, Electrical
Part NumberM55302/57A70H
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-356-6497 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Thread DirectionRIGHT-HAND
Thread Class2A AND 2B
Overall Length4.340 INCHES MINIMUM AND 4.360 INCHES MAXIMUM
Overall Width0.685 INCHES NOMINAL
Included Contact Quantity70 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Material Document And ClasQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-C-530 FED SPEC SINGLE M
Precious Material And Weight0.070 GOLD GRAINS, TROY
Precious Material And LocationCONTACT SURFACES GOLD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Contact Surface TreatmentGOLD AND NICKEL AND GOLD AND COPPER SINGLE MATING END SINGLE CONTACT GROUPING
Terminal TypePIN SINGLE MATING END SINGLE CONTACT GROUPING
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 M55302/57A70H available?
We can source M55302/57A70H 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 M55302/57A70H by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55302/57A70H 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 M55302/57A70H?
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 M55302/57A70H?
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.