Industrial Research And Development Inc. · Electronic Components
1RM4-20
Switch Assembly
Part Number1RM4-20
ManufacturerIndustrial Research And Development Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-330-3574 (NSN)
Federal Item NameSWITCH ASSEMBLY
Federal Supply Class5930 — Switches
Bushing Length1.000 INCHES NOMINAL
Inclosure MaterialPLASTIC PHENOLIC
Individual Switch Quantity4
Bushing Diameter0.248 INCHES NOMINAL
Overall Width1.450 INCHES NOMINAL
Inclosure TypeFULLY INCLOSED
Overall Length3.136 INCHES NOMINAL
Controlling AgencyMICRO SWITCH
Identifying NumberV3-1 PART NO.
Overall Height1.625 INCHES NOMINAL
Mounting MethodBUSHING
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 1RM4-20 available?
We can source 1RM4-20 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 1RM4-20 by Industrial Research And Development Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1RM4-20 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 1RM4-20?
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 1RM4-20?
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.