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US Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SM-D-423550
Mast — Antennas and Waveguides
Part NumberSM-D-423550
ManufacturerUS Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-892-3862 (NSN)
Federal Item NameMAST
Federal Supply Class5985 — Antennas and Waveguides
Base Diameter22.875 INCHES NOMINAL
Base Width5.600 INCHES NOMINAL
MaterialALUMINUM
Maximum Height50.000 FEET
Section Quantity8
Surface TreatmentENAMEL
Mast ConstructionSECTIONALIZED
Accessory Components And QuantityGUY WIRE ASSEMBLY 9,STAKES 10,DIGGING BAR 1,SPANNER WRENCH 1,STAKE BAG 1,ROPE 1,HAMMER 1
Vendor Part NumbersAB-577/GRC
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-423550 available?
We can source SM-D-423550 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-423550 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-423550 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-423550?
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-423550?
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.