Northrop Grumman Systems Corp. · Electronic Components
SM1234
Base, Antenna Support
Part NumberSM1234
ManufacturerNorthrop Grumman Systems Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-295-8879 (NSN)
Federal Item NameBASE,ANTENNA SUPPORT
Federal Supply Class5985 — Antennas and Waveguides
Small End Diameter0.090 INCHES NOMINAL
Mounting Stud Length0.500 INCHES NOMINAL
Large End Diameter0.437 INCHES NOMINAL
Thread Size And Series Type Design10-32 UNF
Surface TreatmentENAMEL
MaterialCOPPER ALLOY
Mounting MethodTHREADED STUD(S)
Basic Shape StyleCYLINDRICAL W/FLARED END
Mounting Facility Quantity1
Thread Class2A
Vendor Part NumbersPB1891, SM-B-532725
Cancelled NSN5820-00-355-8728 (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 SM1234 available?
We can source SM1234 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 SM1234 by Northrop Grumman Systems Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM1234 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 SM1234?
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 SM1234?
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.