Mason Electric Co. · Electronic Components
STD979-23
Retainer, Electrical Switch
Part NumberSTD979-23
ManufacturerMason Electric Co.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-368-8941 (NSN)
Federal Item NameRETAINER,ELECTRICAL SWITCH
Federal Supply Class5930 — Switches
Material Document And ClassificatiQQ-A-200/8 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-225/8 FED SPEC ALL MATERIAL RESPONSES
Overall Diameter0.650 INCHES NOMINAL
Surface TreatmentCHROMIUM AND NICKEL
Overall Height0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM
Surface Treatment Document And ClaMIL-C-14538 MIL SPEC ALL TREATMENT RESPONSES AND MIL-C-26074,CLASS3 MIL SPEC ALL TREATMENT RESPONSES
Style DesignatorCUP
MaterialALUMINUM ALLOY 6061
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 STD979-23 available?
We can source STD979-23 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 STD979-23 by Mason Electric Co. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STD979-23 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 STD979-23?
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 STD979-23?
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.