Eaton Corp. Opns & Technical Center · Electronic Components
57-49-3
Resistor, Fixed, Wire Wound, Induct
Part Number57-49-3
ManufacturerEaton Corp. Opns & Technical Center
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-499-6029 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,INDUCT
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-10.000 TO 10.000
Body Length7.375 INCHES NOMINAL
Body Width0.550 INCHES NOMINAL
Terminal Length0.100 INCHES MINIMUM
Power Dissipation Rating In Watts0.125 FREE AIR
Mounting Hole Size0.375 INCHES NOMINAL
Terminal TypeSCREW BASE
Temp Range Of Temp Coefficient In-55.0 TO 125.0
Ambient Temp In Deg Celsius At Zer125.0
Inclosure TypeENCAPSULATED
Body Height0.560 INCHES NOMINAL
Vendor Part Numbers11003H55A3
Cancelled NSN5905-00-346-6323 (cancelled)
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 57-49-3 available?
We can source 57-49-3 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 57-49-3 by Eaton Corp. Opns & Technical Center obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 57-49-3 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 57-49-3?
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 57-49-3?
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.