The Switch,thermostatic, cataloged under National Stock Number 5930-01-351-0507, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Chromalox, Inc. Div Chromalox. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-351-0507 |
| Primary Part Number | D-44258 ITEM NO 13 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Chromalox, Inc. Div Chromalox |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Criticality Code Justification | FEAT |
| Features Provided | AUTOMATIC RESET |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Hazardous Locations/environmental Protection | WATERTIGHT AND DRIPTIGHT AND CORROSION RESISTANT AND VIBRATION RESISTANT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 0135-26044 | Chromalox, Inc. Div Chromalox (USA) |
| D-44258 ITEM NO 13 PRIMARY | Chromalox, Inc. Div Chromalox (USA) |
NSN 5930-01-351-0507 is a Switch,thermostatic, manufactured by Chromalox, Inc. Div Chromalox, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-351-0507 has 2 manufacturer part numbers on file: 0135-26044 (Chromalox, Inc. Div Chromalox), D-44258 ITEM NO 13 (Chromalox, Inc. Div Chromalox).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-546-6226. Verify interchangeability with system specifications before substitution.
Key specifications for D-44258 ITEM NO 13: Contact Action Stimulus: INCREASE; Criticality Code Justification: FEAT; Features Provided: AUTOMATIC RESET; Special Features: WEAPON SYSTEM ESSENTIAL. 7 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.