Lockheed Martin · Electronic Components
B135791-2
Insulator, Washer
Part NumberB135791-2
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-093-5930 (NSN)
Federal Item NameINSULATOR,WASHER
Federal Supply Class5970 — Electrical Insulators
Material Document And ClassificatiMIL-R-15624,CL I MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialRUBBER NEOPRENE (USE RC0007) OVERALL
Style DesignatorROUND, FLAT
Outside Diameter5.120 INCHES NOMINAL
Overall Height0.125 INCHES NOMINAL
Inside Diameter2.250 INCHES MINIMUM AND 2.280 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 B135791-2 available?
We can source B135791-2 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 B135791-2 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B135791-2 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 B135791-2?
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 B135791-2?
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.