US Dept of Transportation Federal Aviation Administration · Electronic Components
8B21REVA
Switch Assembly
Part Number8B21REVA
ManufacturerUS Dept of Transportation Federal Aviation Administration
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-498-9294 (NSN)
Federal Item NameSWITCH ASSEMBLY
Federal Supply Class5930 — Switches
Identifying Number8754 PART NO.
Controlling AgencyDIGITRAN CO THE
Mounting Configuration4 MTG HOLES 0.100 IN. DIA ON 0.900 IN. BY 3.590 IN. MTG CENTERS
Switch TypeTHUMBWHEEL
Individual Switch Quantity5
Overall Length3.760 INCHES NOMINAL
Overall Height1.150 INCHES NOMINAL
Overall Width1.385 INCHES NOMINAL
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 8B21REVA available?
We can source 8B21REVA 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 8B21REVA by US Dept of Transportation Federal Aviation Administration obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8B21REVA 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 8B21REVA?
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 8B21REVA?
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.