DRS Naval Power Systems · Electronic Components
57-449
Resistor, Fixed, Wire Wound, Nonind
Part Number57-449
ManufacturerDRS Naval Power Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-201-3670 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND,NONIND
Federal Supply Class5905 — Resistors
Style DesignatorTERMINALS EACH END
Terminal TypeTAB W/SCREW
Body Length17.000 INCHES NOMINAL
Inclosure TypeUNINCLOSED
Ambient Temp At Full Rated Power50.0 CELSIUS
Resistance Tolerance In Percent-10.000 TO 10.000
Section Nominal Resistance0.065 OHMS FIRST SECTION
Fixed Tap Quantity2
Electrical Resistance0.520 OHMS
Power Dissipation Rating In Watts3000.000 FREE AIR
Reliability IndicatorNOT ESTABLISHED
Vendor Part NumbersS2200-735942PC13, 651134PC13
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 57-449 available?
We can source 57-449 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 57-449 by DRS Naval Power Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 57-449 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 57-449?
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 57-449?
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.