Lockheed Martin Corp. Naval Electronics & Surveillance Systems · Electronic Components
7637644PR249
Resistor, Fixed, Wire Wound
Part Number7637644PR249
ManufacturerLockheed Martin Corp. Naval Electronics & Surveillance Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-330-3465 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Temp Range Of Temp Coefficient In-55.0 TO 275.0
Body Length0.688 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
Body Height0.375 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
Ambient Temp In Deg Celsius At Zer275.0
Style DesignatorAXIAL TERMINAL (S)
Ambient Temp At Full Rated Power25.0 CELSIUS
Inclosure TypeENCASED
Distance Between Centerlines Of Mo0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Mounting Hole Size0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM
Body Width0.376 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
Vendor Part NumbersENH-10.249 OHM 1PCT
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 7637644PR249 available?
We can source 7637644PR249 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 7637644PR249 by Lockheed Martin Corp. Naval Electronics & Surveillance Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7637644PR249 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 7637644PR249?
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 7637644PR249?
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.