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National Security Agency  · Electronic Components

0N057370

Contact, Electrical

Part Number0N057370
ManufacturerNational Security Agency
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
MaterialCOPPER ALLOY 360 BODY AND CONTACT
Mounting MethodTERMINAL
Style DesignatorCYLINDRICAL SHAPE
Overall Diameter0.260 INCHES NOMINAL
Precious Material And LocationBODY AND CONTACT SURFACES SILVER AND BODY AND CONTACT SURFACES GOLD
Overall Length0.352 INCHES NOMINAL
Material Document And ClassificatiQQ-B-626,COMPOSITION 22 FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT
Precious MaterialSILVER AND GOLD
Precious Material And Weight0.005 SILVER GRAINS, TROY AND 0.005 GOLD GRAINS, TROY
Surface Treatment Document And ClaQQ-S-365,TYPE 1,GRADE B FED SPEC 1ST TREATMENT RESPONSE AND MIL-G-45204,TYPE 2,CLASS 3 MIL SPEC 2ND TREATMENT RESPONSE
Surface TreatmentSILVER AND GOLD BODY AND CONTACT
Vendor Part NumbersMG138F31
ESD/EMICode A — ESD/EMI sensitive item
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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

Frequently asked

Is 0N057370 available?
We can source 0N057370 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 0N057370 by National Security Agency obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 0N057370 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 0N057370?
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 0N057370?
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.