SAE International · Electronic Components
M81511/53FF01S2
Connector, Receptacle, Electrical
Part NumberM81511/53FF01S2
ManufacturerSAE International
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-214-5604 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Thread Class2A
Threaded Device TypeBACK SHELL AND MOUNTING BUSHING
Overall Diameter1.725 INCHES MINIMUM AND 1.745 INCHES MAXIMUM
Thread Series DesignatorUN
Connector Locking MethodBAYONET PIN
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Shell Material Document And ClassiQQ-A-367,COMP 6061,T6 FED SPEC SINGLE MATERIAL RESPONSE
Distance From Mounting Shoulder To0.770 INCHES MINIMUM AND 0.778 INCHES MAXIMUM
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch28 AND 20
Precious Material And LocationCONTACT SURFACES GOLD
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 M81511/53FF01S2 available?
We can source M81511/53FF01S2 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 M81511/53FF01S2 by SAE International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M81511/53FF01S2 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 M81511/53FF01S2?
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 M81511/53FF01S2?
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.