MIL-SPEC · Electronic Components
RCR42G391KS
Resistor, Fixed, Composition
Part NumberRCR42G391KS
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-054-5382 (NSN)
Federal Item NameRESISTOR,FIXED,COMPOSITION
Federal Supply Class5905 — Resistors
Electrical Resistance390.000 OHMS
Terminal TypeWIRE LEAD
Body Diameter0.318 INCHES NOMINAL
Ambient Temp At Full Rated Power70.0 CELSIUS
Ambient Temp In Deg Celsius At Zer130.0
Reliability Failure Rate Level In0.001
Inclosure TypeENCAPSULATED
Reliability IndicatorESTABLISHED
Body Length0.688 INCHES NOMINAL
Power Dissipation Rating In Watts2.000 FREE AIR
Resistance Tolerance In Percent-10.000 TO 10.000
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 RCR42G391KS available?
We can source RCR42G391KS 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 RCR42G391KS by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RCR42G391KS 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 RCR42G391KS?
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 RCR42G391KS?
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.