Northrop Grumman Corp. Electronic Systems Defensive System Div · Electronic Components
121905-037
Resistor Assembly
Part Number121905-037
ManufacturerNorthrop Grumman Corp. Electronic Systems Defensive System Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-256-2129 (NSN)
Federal Item NameRESISTOR ASSEMBLY
Federal Supply Class5905 — Resistors
Component Controlling AgencyNORTHROP CORP
Mounting MethodSOLDER
Component Quantity3
Terminal TypeWIRE LEAD
Resistor Power Dissipation Rating0.125
Component Identifying NumberRNR55H5113FS PART NO. AND RNR55H1004FS PART NO. AND RNC55H2004FS PART NO.
Criticality Code JustificationFEAT
Assembly Construction MethodMOUNTED ON SOCKET
Component NameFIXED FILM RESISTOR
Component RelationshipNOT MATCHED
Terminal Quantity6
ESD/EMICode B — 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 121905-037 available?
We can source 121905-037 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 121905-037 by Northrop Grumman Corp. Electronic Systems Defensive System Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 121905-037 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 121905-037?
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 121905-037?
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.