Marathonnorco Aerospace · Electronic Components
20721
Resistor Assembly
Part Number20721
ManufacturerMarathonnorco Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-946-1141 (NSN)
Federal Item NameRESISTOR ASSEMBLY
Federal Supply Class5905 — Resistors
Resistor Power Dissipation Rating120.0 AND 60.0
Resistance Tolerance In Percent-5.0 TO 5.0
Assembly Construction MethodMOUNTED ON THROUGH BOLT
Mounting MethodSTUD(S)
Component RelationshipNOT MATCHED
Mounting ConfigurationONE NO. 10-32 THD STUD 9-1/4 IN. LG
Component Quantity1
Component NameRESISTOR
Component Controlling AgencyWARD LEONARD CO.
Electrical Resistance6.0 OHMS AND 16.0 OHMS
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 20721 available?
We can source 20721 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 20721 by Marathonnorco Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20721 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 20721?
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 20721?
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.