Electro-Tec Corp. · Electronic Components
28900
Switch, Sensitive
Part Number28900
ManufacturerElectro-Tec Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-355-9940 (NSN)
Federal Item NameSWITCH,SENSITIVE
Federal Supply Class5930 — Switches
Actuator Height0.531 INCHES MINIMUM AND 0.593 INCHES MAXIMUM
Nonpile Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Actuator Length0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
Actuator Width0.040 INCHES NOMINAL
Contact Load Current Rating At Max5.000 AMPERES RESISTIVE AC
Actuator StyleRECTANGULAR
Thread Quantity Per Inch56
Switch Actuator Quantity1
Maximum Voltage Rating In Volts12.0 AC
Terminal Type And Quantity2 WIRE LEAD
Vendor Part NumbersA28900
Cancelled NSN5930-00-357-1018 (cancelled)
Overall Length5.6610 INCHES NOMINAL
ConstructionSLOT WOUND
Overall Diameter1.9800 INCHES NOMINAL
Features ProvidedSHAFT
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 28900 available?
We can source 28900 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 28900 by Electro-Tec Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 28900 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 28900?
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 28900?
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.