Lockheed Martin Corporation · Electronic Components
77C730131
Boot, Dust And Moisture Seal
Part Number77C730131
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-289-7346 (NSN)
Federal Item NameBOOT,DUST AND MOISTURE SEAL
Federal Supply Class5930 — Switches
MaterialRUBBER SILICONE BODY
Center To Center Distance Between4.470 INCHES MINIMUM AND 4.530 INCHES MAXIMUM
Material Thickness0.020 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
Second Distance From Mounting Hole0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
Base Overall Length4.090 INCHES MINIMUM AND 4.150 INCHES MAXIMUM
Overall Length4.970 INCHES MINIMUM AND 5.030 INCHES MAXIMUM
Mounting Hole Diameter0.201 INCHES MINIMUM AND 0.209 INCHES MAXIMUM
Mounting MethodFLANGE AND UNTHREADED HOLE(S)
Radius0.020 INCHES MAXIMUM
Distance From Inside Opening To Ba0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM
First Distance From Mounting Hole0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
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 77C730131 available?
We can source 77C730131 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 77C730131 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 77C730131 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 77C730131?
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 77C730131?
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.