The Switch,thermostatic, cataloged under National Stock Number 5930-01-360-3145, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-360-3145 |
| Primary Part Number | 77C721903P1 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 0.540 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | THREADED BUSHING |
| Thread Length | 0.138 INCHES NOMINAL SINGLE THREADED BUSHING IN |
| Body Height | 0.437 INCHES MAXIMUM IN |
| Style Designator | DISC |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Nominal Thread Size | 0.138 INCHES SINGLE THREADED BUSHING IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 2A SINGLE THREADED BUSHING A |
| Contact Stimulus Rating | 158.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Thread Quantity Per Inch | 32 SINGLE THREADED BUSHING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE THREADED BUSHING |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| 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 |
|---|---|
| 77C721903P1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
NSN 5930-01-360-3145 is a Switch,thermostatic, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-360-3145 has 1 manufacturer part number on file: 77C721903P1 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C721903P1: Overall Height: 0.680 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG; Overall Diameter: 0.540 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN. 18 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.