Lockheed Martin · Electronic Components
ST81D78P15-31S1
Connector Body, Plug, Electrical
Part NumberST81D78P15-31S1
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-487-1850 (NSN)
Federal Item NameCONNECTOR BODY,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Insert Position In Deg0.0
Polarization MethodKEY, MULTIPLE KEY GROOVE
Connector Cable Strain Relief MethCOMPRESSION NUT
Body Length1.281 INCHES MAXIMUM
Overall Diameter1.218 INCHES MINIMUM AND 1.282 INCHES MAXIMUM
Shell TypeSOLID
Precious MaterialGOLD
Connector Locking MethodSPRING FRICTION
Precious Material And LocationSHELL SURFACE GOLD
Contact Position Arrangement Style31 NUMBER 20 SINGLE MATING END
Shell MaterialALUMINUM ALLOY
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 ST81D78P15-31S1 available?
We can source ST81D78P15-31S1 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 ST81D78P15-31S1 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ST81D78P15-31S1 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 ST81D78P15-31S1?
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 ST81D78P15-31S1?
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.