Mason Electric Co. · Electronic Components
21254
Retainer, Electrical Switch
Part Number21254
ManufacturerMason Electric Co.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-392-0949 (NSN)
Federal Item NameRETAINER,ELECTRICAL SWITCH
Federal Supply Class5930 — Switches
FSC Application DataACFT ACCESSORIES AND COMPONENTS
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
Conductor FormSTRANDED ALL CONDUCTORS
Cross Sectional Shape StyleFLAT
Cross Sectional Width0.730 INCHES NOMINAL
Round Conductor Size24 AWG ALL CONDUCTORS
Voltage Rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
Vendor Part NumbersG500400-2
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 21254 available?
We can source 21254 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 21254 by Mason Electric Co. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21254 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 21254?
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 21254?
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.