Rockwell Collins · Electronic Components
021-0688-020
Base, Antenna Support
Part Number021-0688-020
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-333-2272 (NSN)
Federal Item NameBASE,ANTENNA SUPPORT
Federal Supply Class5985 — Antennas and Waveguides
Overall Diameter2.180 INCHES NOMINAL
Mounting Facility Quantity1
Mounting Hole TypePLAIN
MaterialSTEEL
Mounting MethodUNTHREADED HOLE(S)
Basic Shape StyleCUP
Main Body Inside Diameter2.060 INCHES NOMINAL
Overall Height2.120 INCHES NOMINAL
Mounting Hole Diameter0.150 INCHES NOMINAL
Vendor Part NumbersAH-2596RC-1
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 021-0688-020 available?
We can source 021-0688-020 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 021-0688-020 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 021-0688-020 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 021-0688-020?
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 021-0688-020?
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.