Am General LLC · Electronic Components
A5257
Resistor, Fixed, Composition
Part NumberA5257
ManufacturerAm General LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-770-2664 (NSN)
Federal Item NameRESISTOR,FIXED,COMPOSITION
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-6.666 TO 6.666
Style DesignatorTERMINALS EACH END
Distance Between Centerlines Of Mo1.500 INCHES NOMINAL
Body Length2.000 INCHES NOMINAL
Terminal TypeTERMINAL TYPE PER BODY STYLE
Ambient Temp At Full Rated Power60.0 CELSIUS
Power Dissipation Rating In Watts3.000 FREE AIR
Mounting Hole Size0.188 INCHES NOMINAL
Terminal Length0.500 INCHES NOMINAL
Body Height0.219 INCHES NOMINAL
Inclosure TypeUNINCLOSED
Cancelled NSN5905-00-677-0308 (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 A5257 available?
We can source A5257 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 A5257 by Am General LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A5257 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 A5257?
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 A5257?
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.