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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-C-687973
Adapter, Connector
Part NumberSM-C-687973
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-177-2761 (NSN)
Federal Item NameADAPTER,CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Shell TypeSOLID
Shell Surface Treatment Document AMIL-G-45204,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
Bushing Accommodation Hole ShapeROUND
Included Contact Quantity1 FIRST MATING END SINGLE CONTACT GROUPING
Overall Length1.170 INCHES MINIMUM AND 1.210 INCHES MAXIMUM
Mating End Quantity2
Thread Class2A
Precious MaterialGOLD
Nominal Thread Size0.190 INCHES AND 0.500 INCHES
Contact Position Arrangement StyleBNC SECOND MATING END
Overall Diameter0.672 INCHES MINIMUM AND 0.704 INCHES MAXIMUM
Vendor Part NumbersMDC 504-1, UG1898TPM24V, 350772
Cancelled NSN5935-00-131-3841 (cancelled)
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-C-687973 available?
We can source SM-C-687973 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-C-687973 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-C-687973 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-C-687973?
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-C-687973?
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.