The Switch,thermostatic, cataloged under National Stock Number 5930-00-976-4605, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-976-4605 |
| Primary Part Number | 5181-001 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Body Diameter | 0.640 INCHES MAXIMUM IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD FOURTH VOLTAGE |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BRACKET(S) AND SLOT AND UNTHREADED HOLE(S) |
| Body Height | 0.364 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.140 INCHES NOMINAL IN |
| Style Designator | DISC W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Features Provided | HERMETICALLY SEALED CASE |
| Distance Between Mounting Facility Centers | 0.937 INCHES NOMINAL IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 550.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 250.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 200.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 250.0 AC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 30.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL FOURTH VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Hazardous Locations/environmental Protection | DUSTPROOF AND MOISTURE RESISTANT AND SALT SPRAY RESISTANT AND VIBRATION RESISTANT |
| Mounting Slot Width | 0.140 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5181-001 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| M1-250-200-258 | 5/9 Secondary reference U.S. Government activity |
| 5181-001 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-00-976-4605 is a Switch,thermostatic, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-976-4605 has 1 manufacturer part number on file: 5181-001 (Raytheon Company Div Rmd Strategic).
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-136-0020, 7025-01-358-0483. Verify interchangeability with system specifications before substitution.
Key specifications for 5181-001: Body Diameter: 0.640 INCHES MAXIMUM IN; Overall Height: 0.521 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG. 26 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.