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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-320981
Insulator, Plate
Part NumberSM-B-320981
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-455-8646 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Second Hole Diameter0.086 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
Second Hole Spacing0.125 INCHES NOMINAL
Surface TreatmentVARNISH OVERALL
First Hole Spacing0.125 INCHES NOMINAL
Style DesignatorFLAT, RECTANGULAR
Third Hole Spacing0.156 INCHES NOMINAL
Material Document And ClassificatiL-P-513, TYPE PBE FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC PHENOLIC AND PAPER OVERALL
Surface Treatment Document And ClaMIL-V-173 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Length0.406 INCHES NOMINAL
First Hole Diameter0.086 INCHES MINIMUM AND 0.088 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 SM-B-320981 available?
We can source SM-B-320981 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 SM-B-320981 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-B-320981 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 SM-B-320981?
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 SM-B-320981?
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.