Home /
Catalog / US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir / SM-D-655478
US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-D-655478
Base, Mast — Antennas and Waveguides
Part NumberSM-D-655478
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-727-4376 (NSN)
Federal Item NameBASE,MAST
Federal Supply Class5985 — Antennas and Waveguides
Mounting Hole TypePLAIN
Mounting Facility Circle Radius8.000 INCHES NOMINAL
Surface TreatmentENAMEL
Basic Shape StyleSQUARE
MaterialALUMINUM
Mounting MethodUNTHREADED HOLE(S)
Special MarkingsRAISED YELLOW ARROW
Angle Between Adjacent Mounting Fa90.0
Mounting Facility Quantity4
Overall Width20.000 INCHES NOMINAL
Overall Length20.000 INCHES NOMINAL
Vendor Part NumbersSMC655478, AB1087TRA37
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 SM-D-655478 available?
We can source SM-D-655478 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 SM-D-655478 by US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-D-655478 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 SM-D-655478?
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 SM-D-655478?
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.