NAVAIR/NAVSEA Design Activity · Electronic Components
57A5A77-4
Resistor, Fixed, Wire Wound
Part Number57A5A77-4
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-067-4971 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-0.100 TO 0.100
Body Length0.891 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Power Dissipation Rating In Watts3.000 FREE AIR
Terminal TypeWIRE LEAD
Ambient Temp At Full Rated Power125.0 CELSIUS
Body Diameter0.188 INCHES NOMINAL
Inclosure TypeENCAPSULATED
Ambient Temp In Deg Celsius At Zer275.0
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Style DesignatorAXIAL TERMINAL EACH END
ESD/EMICode A — ESD/EMI sensitive item
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 57A5A77-4 available?
We can source 57A5A77-4 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 57A5A77-4 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 57A5A77-4 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 57A5A77-4?
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 57A5A77-4?
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.