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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-B-502187
Contact, Electrical
Part NumberSM-B-502187
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-726-8810 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Unthreaded Mounting Hole Diameter0.128 INCHES NOMINAL
Overall Height0.016 INCHES NOMINAL
Precious Material And Weight0.005 SILVER GRAINS, TROY
Precious MaterialSILVER
Material Document And ClassificatiQQ-B-750,ALLOY 510 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-750,ALLOY 524 FED SPEC 2ND MATERIAL RESPONSE OR QQ-B-750,ALL
Surface Treatment Document And ClaMIL-F-14072,ALLOY -311 MIL SPEC SINGLE TREATMENT RESPONSE CONTACT
MaterialCOPPER ALLOY 510 OR COPPER ALLOY 524 OR COPPER ALLOY 544 BODY AND CONTACT
Style DesignatorIRREGULAR SHAPE
Surface TreatmentSILVER CONTACT
Precious Material And LocationCONTACT SURFACE SILVER
Overall Width1.156 INCHES NOMINAL
Vendor Part NumbersDM-117, 1172-LX, 666223-452
ESD/EMICode A — ESD/EMI sensitive item
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-502187 available?
We can source SM-B-502187 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-502187 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-502187 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-502187?
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-502187?
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.