The Switch,thermostatic, cataloged under National Stock Number 5930-01-479-5923, 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 - Manassas. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-479-5923 |
| Primary Part Number | N103874 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 0.640 INCHES MAXIMUM IN |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | PRESS FIT |
| Body Height | 0.389 INCHES NOMINAL IN |
| Style Designator | DISC |
| Temp Sensing Element Type | DISC |
| Operating Temp Rating | 134.0 FAHRENHEIT MINIMUM AND 164.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 20.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL FIRST 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 |
|---|---|
| N103874 | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| Reference | Meaning |
|---|---|
| 5BT-4 | D/9 Drawing number reference only U.S. Government activity |
| 5BT4-207 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-479-5923 is a Switch,thermostatic, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-479-5923 has 1 manufacturer part number on file: N103874 (Lockheed Martin Corporation Div Rms - Manassas).
Key specifications for N103874: Overall Height: 0.669 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG; Overall Diameter: 0.640 INCHES MAXIMUM IN. 15 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.