MIL-SPEC · Electronic Components
NAS549EL4
Insulator, Washer
Part NumberNAS549EL4
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-141-6650 (NSN)
Federal Item NameINSULATOR,WASHER
Federal Supply Class5970 — Electrical Insulators
Inside Diameter0.125 INCHES NOMINAL
Style DesignatorROUND, FLAT
Material Document And ClassificatiMIL-P-15035, TYPE FBE-CANCELLED/REPLACED BY MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-I-24768/26 MIL SPEC SINGLE MATERIA
MaterialPLASTIC PHENOLIC AND COTTON OVERALL
Outside Diameter0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
Overall Height0.031 INCHES NOMINAL
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 NAS549EL4 available?
We can source NAS549EL4 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 NAS549EL4 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NAS549EL4 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 NAS549EL4?
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 NAS549EL4?
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.