MIL-SPEC · Electronic Components
1SM1
Switch, Sensitive
Part Number1SM1
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-413-0923 (NSN)
Federal Item NameSWITCH,SENSITIVE
Federal Supply Class5930 — Switches
Contact Load Current Rating At Max5.000 AMPERES RESISTIVE DC AND 3.000 AMPERES INDUCTIVE DC AND 5.000 AMPERES RESISTIVE AC
Body Length0.781 INCHES NOMINAL
Body Height0.346 INCHES MINIMUM AND 0.366 INCHES MAXIMUM
Actuator Diameter0.046 INCHES NOMINAL
Reference Number Differentiating CMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPE
Nonpile Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Features ProvidedACTUATOR SEAL
Terminal Type And Quantity3 TAB, SOLDER LUG
Body StyleHOLE MOUNTED
Inclosure TypeFULLY INCLOSED
Center To Center Distance Between0.373 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
Actuator Free Position Height0.330 INCHES NOMINAL
Maximum Voltage Rating In Volts220.0 AC AND 28.0 DC
Actuator StyleROUND
Actuator Height0.020 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.087 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Switch Release Force1.0 OUNCES MINIMUM
Cancelled NSN5930-00-548-4868 (cancelled)
Overall Height0.454 INCHES NOMINAL
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 1SM1 available?
We can source 1SM1 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 1SM1 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1SM1 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 1SM1?
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 1SM1?
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.