Lockheed Martin · Electronic Components
C-121187-52
Insulator, Bushing
Part NumberC-121187-52
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-163-5803 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Shank Height0.094 INCHES NOMINAL
Shank Outside Diameter0.305 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
Identification Code ColorNATURAL
Style DesignatorSHOULDER
Material Document And ClassificatiL-P-395,TYPE 1,GRADE A,CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE AND GLASS FIBER OVERALL
Inside Diameter0.120 INCHES NOMINAL
Outside Diameter0.438 INCHES NOMINAL
Overall Height0.156 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 C-121187-52 available?
We can source C-121187-52 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 C-121187-52 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C-121187-52 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 C-121187-52?
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 C-121187-52?
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.