MIL-SPEC · Electronic Components
M81659/25B1-0051
Connector, Receptacle, Electrical
Part NumberM81659/25B1-0051
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-032-6513 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Overall Length1.812 INCHES MAXIMUM
Overall Width2.485 INCHES MINIMUM AND 2.515 INCHES MAXIMUM
Overall Height3.061 INCHES MINIMUM AND 3.091 INCHES MAXIMUM
Center To Center Distance Between2.782 INCHES MINIMUM AND 2.786 INCHES MAXIMUM
Distance Between Centerlines Of Mo1.435 INCHES MINIMUM AND 1.439 INCHES MAXIMUM
Mating End Quantity2
Shell Surface TreatmentCADMIUM
Test Data Document81349-MIL-C-81659 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Body StyleSTRAIGHT SHAPE, FLUSH MOUNT
Environmental ProtectionSHOCK PROOF AND VIBRATION RESISTANT AND SALT WATER RESISTANT
Terminal LocationBACK ALL MATING ENDS SINGLE CONTACT GROUPING
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 M81659/25B1-0051 available?
We can source M81659/25B1-0051 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 M81659/25B1-0051 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M81659/25B1-0051 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 M81659/25B1-0051?
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 M81659/25B1-0051?
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.