Lockheed Martin · Electronic Components
A25A991-747-3
Insulator, Bowl
Part NumberA25A991-747-3
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-994-1845 (NSN)
Federal Item NameINSULATOR,BOWL
Federal Supply Class5970 — Electrical Insulators
Style DesignatorCOUNTERBORE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Top Thickness0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM
Height Above Mounting Surface0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
Material Document And ClassificatiMIL-P-19468 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Base Inside Diameter0.308 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
Top Hole Diameter0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
Outside Diameter0.360 INCHES MINIMUM AND 0.363 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 A25A991-747-3 available?
We can source A25A991-747-3 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 A25A991-747-3 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A25A991-747-3 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 A25A991-747-3?
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 A25A991-747-3?
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.