MIL-SPEC · Electronic Components
M55302/66-54M
Connector, Receptacle, Electrical
Part NumberM55302/66-54M
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-351-7976 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Contact Surface TreatmentGOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT AND CORROSION RESISTANT AND HUMIDITY RESISTANT AND FUNGUS RESISTANT
Precious Material And Weight0.054 GOLD GRAINS, TROY
Connector Locking MethodJACKSCREW-SOCKET
Thread DirectionRIGHT-HAND
Insert Material Document And ClassMIL-M-14,TY SDG-F OR TY GDI-30F MIL SPEC 1ST MATERIAL RESPONSE OR MIL-M-24519,TY GPT-30F OR TY GST-40F MIL SPEC 2ND MAT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Contact Material Document And ClasQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-750 FED SPEC SINGLE M
Overall Width0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity54 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 M55302/66-54M available?
We can source M55302/66-54M 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 M55302/66-54M by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55302/66-54M 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 M55302/66-54M?
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 M55302/66-54M?
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.