Northrop Grumman Systems · Electronic Components
900056-0004
Resistor, Variable, Wire Wound, Pre
Part Number900056-0004
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-930-3989 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Pilot Diameter0.7497 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
Section Quantity1
Undercut Diameter0.750 INCHES NOMINAL
Tap Location From Ccw Terminal Per1800.0 SINGLE SECTION
Cubic Measure0.836 CUBIC INCHES
Electrical Resistance Per Section25.0 KILOHMS SINGLE SECTION
Ambient Temp In Deg Celsius Per Se40.0 SINGLE SECTION
Terminal Type And Quantity4 SOLDER STUD
Temp Coefficient Of Resistance Wir-20.0 TO 20.0 SINGLE SECTION
Tap Location Tolerance Per Section-1.0 TO 1.0 DEG ANGULAR ROTATION SINGLE SECTION
Fixed Tap Quantity Per Section1 SINGLE SECTION
Vendor Part Numbers500-5560, MD09-10-2686
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 900056-0004 available?
We can source 900056-0004 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 900056-0004 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 900056-0004 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 900056-0004?
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 900056-0004?
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.