Northrop Grumman Systems Corporation · Electronic Components
57D129
Mast Section
Part Number57D129
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-227-7163 (NSN)
Federal Item NameMAST SECTION
Federal Supply Class5985 — Antennas and Waveguides
Base Diameter2.000 INCHES NOMINAL
MaterialSTEEL AND CERAMIC
Top Diameter2.000 INCHES NOMINAL
Surface TreatmentENAMEL
ConstructionONE-PIECE
Mounting MethodBASE
FSC Application DataRADIO SET,COMMUNICATION EXCEPT AIRBORNE
Vendor Part NumbersSCD31012
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 57D129 available?
We can source 57D129 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 57D129 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 57D129 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 57D129?
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 57D129?
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.