NAVAIR/NAVSEA Design Activity · Electronic Components
1242243-300
Resistor, Fixed, Wire Wound
Part Number1242243-300
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-059-1355 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Inclosure TypeENCAPSULATED
Body Length0.594 INCHES NOMINAL
Terminal Length1.000 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Body Diameter0.281 INCHES NOMINAL
Terminal TypeWIRE LEAD
Power Dissipation Rating In Watts0.500 FREE AIR
Temp Range Of Temp Coefficient In-55.0 TO 85.0
Ambient Temp In Deg Celsius At Zer145.0
Ambient Temp At Full Rated Power125.0 CELSIUS
Resistance Tolerance In Percent-0.100 TO 0.100
Vendor Part Numbers1242243-300REVC
Cancelled NSN5905-00-655-2001 (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 1242243-300 available?
We can source 1242243-300 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 1242243-300 by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1242243-300 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 1242243-300?
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 1242243-300?
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.