TE Connectivity · Electronic Components
31-57
Connector, Receptacle, Electrical
Part Number31-57
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-806-2684 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface TreatmentGOLD AND SILVER SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.190 INCHES
Bushing Accommodation Hole ShapeROUND W/FLAT
Thread Quantity Per Inch32
Radio Frequency Type Contact Chara70.0 SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Precious Material And Weight0.005 GOLD GRAINS, TROY AND 0.105 SILVER GRAINS, TROY
Insert MaterialPLASTIC POLYTETRAFLUOROETHYLENE SINGLE MATING END
Precious MaterialGOLD AND SILVER
Vendor Part Numbers357-9485-00, R700, 114-056-0001
Cancelled NSN5935-00-991-8751 (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 31-57 available?
We can source 31-57 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 31-57 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31-57 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 31-57?
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 31-57?
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.