SAE International · Electronic Components
M81511/21EH01S3
Connector, Receptacle, Electrical
Part NumberM81511/21EH01S3
ManufacturerSAE International
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-021-6910 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionPRESSURE PROOF AND MOISTURE RESISTANT AND VIBRATION RESISTANT
Center To Center Distance Between1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM
Distance From Mounting Shoulder To0.894 INCHES MINIMUM AND 0.906 INCHES MAXIMUM
Precious MaterialGOLD
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Thread Series DesignatorUN
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Unthreaded Mounting Hole Diameter0.116 INCHES MINIMUM AND 0.126 INCHES MAXIMUM
Overall Height1.554 INCHES MINIMUM AND 1.570 INCHES MAXIMUM
Thread DirectionRIGHT-HAND
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 M81511/21EH01S3 available?
We can source M81511/21EH01S3 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 M81511/21EH01S3 by SAE International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M81511/21EH01S3 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 M81511/21EH01S3?
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 M81511/21EH01S3?
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.