SAE International · Electronic Components
M81511/21EF01S1
Connector, Receptacle, Electrical
Part NumberM81511/21EF01S1
ManufacturerSAE International
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-139-6117 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Center To Center Distance Between1.067 INCHES MAXIMUM
Overall Width1.351 INCHES MAXIMUM
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Shell Surface TreatmentCADMIUM
Shell MaterialALUMINUM ALLOY
Insert Position In Deg135.0 AND 170.0 AND 200.0 AND 310.0
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodBAYONET PIN
Cancelled NSN5935-00-450-1269 (cancelled)
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 M81511/21EF01S1 available?
We can source M81511/21EF01S1 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 M81511/21EF01S1 by SAE International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M81511/21EF01S1 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 M81511/21EF01S1?
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 M81511/21EF01S1?
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.