Sigma Tek, Inc. · Electronic Components
550157-01
Switch, Push
Part Number550157-01
ManufacturerSigma Tek, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-241-3547 (NSN)
Federal Item NameSWITCH,PUSH
Federal Supply Class5930 — Switches
Thread Series DesignatorUNS
MaterialPLASTIC CASE
Precious Material And LocationCONTACT SURFACES SILVER
ColorRED SINGLE ACTUATOR
Inclosure TypeFULLY INCLOSED
Actuator Diameter0.157 INCHES NOMINAL
Actuator Height0.098 INCHES NOMINAL
Overall Length1.029 INCHES NOMINAL
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT
Overall Height0.472 INCHES NOMINAL
Contact Load Current Rating At Max3.000 AMPERES RESISTIVE AC
Vendor Part NumbersQB200384
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 550157-01 available?
We can source 550157-01 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 550157-01 by Sigma Tek, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 550157-01 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 550157-01?
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 550157-01?
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.