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Honeywell Intl Inc. Defense Avionics Systems  · Electronic Components

1257876-1

RETAINER,SEMICONDUCTOR DEVICE — NSN 5961-00-593-3212

Part Number1257876-1
ManufacturerHoneywell Intl Inc. Defense Avionics Systems
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRETAINER,SEMICONDUCTOR DEVICE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialCOPPER
Overall Length0.980 INCHES MINIMUM AND 0.980 INCHES MINIMUM AND 0.990 INCHES MAXIMUM0.990 INCHES MAXIMUM
Overall Width0.156 INCHES MINIMUM AND 0.156 INCHES MINIMUM AND 0.218 INCHES MAXIMUM0.218 INCHES MAXIMUM
Overall Height0.500 INCHES NOMINAL0.500 INCHES NOMINAL
Overall Diameter0.365 INCHES NOMINAL0.365 INCHES NOMINAL
Mounting Facility Type And Quantit1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Style DesignatorCYLINDRICAL W/RECTANGULAR OR SQUARE BASE
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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 1257876-1 available?
We can source 1257876-1 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 1257876-1 by Honeywell Intl Inc. Defense Avionics Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1257876-1 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 1257876-1?
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 1257876-1?
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.