Lockheed Martin Librascope · Electronic Components
12-72-30AS
Resistor, Adjustable
Part Number12-72-30AS
ManufacturerLockheed Martin Librascope
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-079-6914 (NSN)
Federal Item NameRESISTOR,ADJUSTABLE
Federal Supply Class5905 — Resistors
Electrical Resistance30.000 OHMS
Body Diameter0.750 INCHES NOMINAL
Ambient Temp In Deg Celsius At Zer415.0
Style DesignatorRADIAL TERMINAL EACH END
Terminal Length0.750 INCHES NOMINAL
Terminal TypeTAB, SOLDER LUG
Power Dissipation Rating In Watts120.000 FREE AIR
Inclosure TypeUNINCLOSED
Reactance CharacteristicINDUCTIVE
Ambient Temp At Full Rated Power40.0 CELSIUS
Reliability IndicatorNOT ESTABLISHED
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 12-72-30AS available?
We can source 12-72-30AS 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 12-72-30AS by Lockheed Martin Librascope obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12-72-30AS 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 12-72-30AS?
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 12-72-30AS?
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.