General Dynamics Mission Systems · Electronic Components
18A21972ISSUEAA
Resistor, Variable, Wire Wound, Non
Part Number18A21972ISSUEAA
ManufacturerGeneral Dynamics Mission Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-175-5608 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Mounting Facility Quantity2
Body Length0.375 INCHES NOMINAL
Lateral Distance Between Mounting1.000 INCHES NOMINAL
Features ProvidedGROUNDED CONTACT ARM
Mounting MethodUNTHREADED HOLE(S)
Rotary Actuator Travel In Angular340.0 NOMINAL
Electrical Resistance Per Section1.0 KILOHMS SINGLE SECTION
Actuator Travel Control FeatureSTOPS
Resistance Tolerance Per Section I-20.0 TO 20.0 SINGLE SECTION
Power Dissipation Rating Per Secti1.0 FREE AIR SINGLE SECTION
Terminal LocationREAR END LOCATION NOT OTHERWISE SPECIFIED
Vendor Part Numbers18A21972
Cancelled NSN5905-00-549-9128 (cancelled)
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 18A21972ISSUEAA available?
We can source 18A21972ISSUEAA 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 18A21972ISSUEAA by General Dynamics Mission Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18A21972ISSUEAA 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 18A21972ISSUEAA?
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 18A21972ISSUEAA?
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.