Northrop Grumman Systems · Electronic Components
12-138198-1
Support, Antenna
Part Number12-138198-1
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-298-6330 (NSN)
Federal Item NameSUPPORT,ANTENNA
Federal Supply Class5985 — Antennas and Waveguides
Distance Between Mounting Facility4.330 INCHES MINIMUM AND 4.370 INCHES MAXIMUM FIRST MOUNTING FACILITY
Basic Shape StyleIRREGULAR
Mounting Hole TypeCOUNTERSUNK
Mounting MethodUNTHREADED HOLE(S)
MaterialALUMINUM ALLOY 5052
Mounting Hole Diameter0.172 INCHES NOMINAL
Overall Length14.680 INCHES MINIMUM AND 14.720 INCHES MAXIMUM
Surface TreatmentCHROMATE
Mounting Facility Quantity6
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 12-138198-1 available?
We can source 12-138198-1 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 12-138198-1 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12-138198-1 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 12-138198-1?
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 12-138198-1?
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.