Eaton Corp. Opns & Technical Center · Electronic Components
21-312
Contact Assembly, Electrical
Part Number21-312
ManufacturerEaton Corp. Opns & Technical Center
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-421-1861 (NSN)
Federal Item NameCONTACT ASSEMBLY,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Government Agency Controlling ContUSN
Overall Height0.344 INCHES NOMINAL
Contact Identifying Number AssignePUB5487ITEM22 AND 21-312 AND 4690ALT1ITEM5 AND 4725ALT1ITEM5 AND 85986W1ITEM5 AND 87070W1ITEM5
Overall Length0.106 INCHES NOMINAL
Overall Width0.188 INCHES NOMINAL
Contact Item Name Assigned By GoveCONTACT ASSY
Structural DesignNONSWITCHING
Contact Quantity2
Vendor Part Numbers85986W1ITEM5, 87070W1ITEM5, 4690ALT1ITEM5, 4725ALT1ITEM5, PUB5487ITEM22
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnEAR99
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 21-312 available?
We can source 21-312 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 21-312 by Eaton Corp. Opns & Technical Center obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-312 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 21-312?
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 21-312?
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.