Lockheed Martin · Electronic Components
187391
Insulator, Bowl
Part Number187391
ManufacturerLockheed Martin
LifecycleStocked
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-504-6119 (NSN)
Federal Item NameINSULATOR,BOWL
Federal Supply Class5970 — Electrical Insulators
Height Above Mounting Surface0.437 INCHES NOMINAL
Top Diameter0.369 INCHES NOMINAL
MaterialPLASTIC OVERALL
Style DesignatorCOUNTERBORE
Mounting Facility Type And Quantit1 UNTHREADED HOLE(S)
Outside Diameter0.423 INCHES NOMINAL
Top Thickness0.062 INCHES NOMINAL
Top Hole Diameter0.247 INCHES NOMINAL
Base Inside Diameter0.302 INCHES NOMINAL
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnUnknown
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 187391 available?
We can source 187391 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 187391 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 187391 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 187391?
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 187391?
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.