The Switch,thermostatic, cataloged under National Stock Number 5930-01-446-1543, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Thermal Transfer Products Ltd. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-446-1543 |
| Primary Part Number | 65938-120DEG F |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Thermal Transfer Products Ltd |
| Status | ACTIVE |
| Style Designator | CYLINDRICAL |
| Operating Temp Rating | 120.0 FAHRENHEIT NOMINAL DEGF |
| 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 |
|---|---|
| 65938-120DEG F PRIMARY | Thermal Transfer Products Ltd (USA) |
| Reference | Meaning |
|---|---|
| 65938 | 5/9 Secondary reference Thermal Transfer Products Ltd |
NSN 5930-01-446-1543 is a Switch,thermostatic, manufactured by Thermal Transfer Products Ltd, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-446-1543 has 1 manufacturer part number on file: 65938-120DEG F (Thermal Transfer Products Ltd).
Key specifications for 65938-120DEG F: Style Designator: CYLINDRICAL; Operating Temp Rating: 120.0 FAHRENHEIT NOMINAL DEGF; Special Features: SWITCH NORMALLY OPEN FOR CONTROLLING THE 12 V DC ELECTRIC MOTORS OF THEMF SERIES AIR-OIL COOLERS V. 2 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.