Keystone Electronics · Electronic Components
637
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Part Number637
ManufacturerKeystone Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-00-258-1837 (NSN)
Federal Item NamePOST,BINDING,ELECTRICAL
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Mounting Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Electrical Insulation FeatureINSULATED CAPS WITH UNINSULATED STUDS
Cap Outside Diameter0.500 INCHES
Overall Height1.750 INCHES
Surface TreatmentNICKEL OVERALL EXCEPT INSULATION SINGLE LAYER
Mounting Method StyleSTUD
Basic Shape StyleSINGLE POST, ROUND (POST BINDING)
MaterialCOPPER ALLOY OVERALL EXCEPT INSULATION
Thread Length0.812 INCHES
Identification Code ColorBLUE
Conductor Accommodation TypeSCREW CAP W/SLOT SINGLE END
Vendor Part Numbers7130, 837038-08, 604908-000, SERGENT7130, ML7871785G1
Cancelled NSN5940-00-764-9979 (cancelled)
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 637 available?
We can source 637 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 637 by Keystone Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 637 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 637?
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 637?
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.