Winchester Interconnect · Electronic Components
14558J
Insulator, Bushing
Part Number14558J
ManufacturerWinchester Interconnect
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-031-0744 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Outside Diameter0.312 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
Shank Height0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM
Material Document And ClassificatiL-P-509, TYPE 4, GRADE G-10 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialGLASS AND PLASTIC EPOXY OVERALL
Style DesignatorSHOULDER
Overall Height0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM
Inside Diameter0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM
Shank Outside Diameter0.177 INCHES MINIMUM AND 0.187 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 14558J available?
We can source 14558J 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 14558J by Winchester Interconnect obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 14558J 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 14558J?
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 14558J?
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.