Naval Ship Systems Command · Electronic Components
128-4677500 ITEM 10
Plate, Antenna Mast
Part Number128-4677500 ITEM 10
ManufacturerNaval Ship Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-142-7900 (NSN)
Federal Item NamePLATE,ANTENNA MAST
Federal Supply Class5985 — Antennas and Waveguides
Overall Length8.950 INCHES NOMINAL
Distance Between Mounting Facility6.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Overall Width3.937 INCHES NOMINAL
Thread Size And Series Type Design3/8-16 UNIFIED NATIONAL COARSE (UNC)
MaterialPLASTIC ALKYD AND PLASTIC MELAMINE
Mounting Hole TypeCOUNTERSUNK
Basic Shape StyleIRREGULAR
Mounting Facility Quantity2
Mounting MethodTHREADED HOLE(S)
Thread Class2B
Overall Height0.940 INCHES NOMINAL
Vendor Part Numbers56-10-4086
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 128-4677500 ITEM 10 available?
We can source 128-4677500 ITEM 10 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 128-4677500 ITEM 10 by Naval Ship Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 128-4677500 ITEM 10 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 128-4677500 ITEM 10?
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 128-4677500 ITEM 10?
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.