The Boeing Company · Electronic Components
2117221
Mast — Antennas and Waveguides
Part Number2117221
ManufacturerThe Boeing Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-123-6646 (NSN)
Federal Item NameMAST
Federal Supply Class5985 — Antennas and Waveguides
Maximum Height2.364 FEET
Mast ConstructionONE-PIECE
Base Diameter2.063 INCHES NOMINAL
MaterialALUMINUM
Base Depth0.875 INCHES NOMINAL
Surface TreatmentANODIZE
Vendor Part Numbers2132105
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 2117221 available?
We can source 2117221 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 2117221 by The Boeing Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2117221 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 2117221?
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 2117221?
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.