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Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier · Electronic Components
639AS4930
Insulator, Plate
Part Number639AS4930
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-279-1682 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Style DesignatorFLAT, RECTANGULAR
MaterialGLASS FIBER AND PLASTIC EPOXY OVERALL
Material Document And ClassificatiMIL-P-18177, TYPE GEB MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Overall Width0.250 INCHES NOMINAL
Overall Height0.007 INCHES MINIMUM AND 0.013 INCHES MAXIMUM
Overall Length0.600 INCHES MINIMUM AND 0.605 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 639AS4930 available?
We can source 639AS4930 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 639AS4930 by Naval Air Systems Command Managed Original Design Activity Not Material/Parts Supplier obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 639AS4930 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 639AS4930?
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 639AS4930?
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.