NAVAIR/NAVSEA Design Activity · Electronic Components
2639678-1
Insulator, Bushing
Part Number2639678-1
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-143-4530 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Style DesignatorSHOULDER
Material Document And ClassificatiPLASTIC, POLYTETRAFLUOROETHYLENE, TYPE 100 FEP, E I DUPONT DE NEMOURS AND CO INC MFR REF SINGLE MATERIAL RESPONSE CLEANI
MaterialPLASTIC POLYTETRAFLUOROETHYLENE CLEANING WIRE
Shank Outside Diameter0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
Unable To DecodeUNABLE TO DECODE
Outside Diameter0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM
Overall Height0.078 INCHES MINIMUM AND 0.108 INCHES MAXIMUM
Inside Diameter0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM
Shank Height0.031 INCHES NOMINAL
Cancelled NSN5970-00-141-4288 (cancelled)
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 2639678-1 available?
We can source 2639678-1 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 2639678-1 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2639678-1 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 2639678-1?
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 2639678-1?
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.