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Catalog / Department Of The Army Hq United States Army Communications Research And Development Command / B4028351
Department Of The Army Hq United States Army Communications Research And Development Command · Electronic Components
B4028351
Switch, Rotary
Part NumberB4028351
ManufacturerDepartment Of The Army Hq United States Army Communications Research And Development Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-221-8139 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Nonturn Device TypeFLATTED BUSHING AT 3:00 OCLOCK
Style DesignatorSNAP OR LINE
Flat Height0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM SINGLE ACTUATOR
Terminal TypePRINTED CIRCUIT
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
First Flat Length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM SINGLE ACTUATOR
Switch Actuator Positioning Increm30.0 DEGREES SINGLE ACTUATOR
Features ProvidedRFI SHIELDING
Contact Voltage Rating In Volts28.0 DC AT SEA LEVEL
Switch Contact Basic DesignCODED
Overall Diameter0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM
Vendor Part Numbers51YY23477
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 B4028351 available?
We can source B4028351 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 B4028351 by Department Of The Army Hq United States Army Communications Research And Development Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B4028351 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 B4028351?
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 B4028351?
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.