The Switch,thermostatic, cataloged under National Stock Number 5930-01-652-0175, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Omega Engineering, Inc.. Government technical data includes 14 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 | 5930-01-652-0175 |
| Primary Part Number | TSW-21 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Omega Engineering, Inc. |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Overall Diameter | 9.7 MILLIMETERS NOMINAL MM |
| Contact Load Current Rating | 1.0 AMPERES LAMP LOAD SINGLE VOLTAGE |
| Mounting Method | UNTHREADED HOLE(S) |
| Contact Adjustment Range | -13.0 TO 63.0 ACTUATION POINT DEGREES FAHRENHEIT |
| Unthreaded Mounting Hole Diameter | 9.7 MILLIMETERS NOMINAL MM |
| Style Designator | CYLINDRICAL |
| Temp Sensing Element Type | DIAPHRAGM |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT DIAL |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | GAS |
| Contact Adjustability | ACTUATION POINT 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 |
|---|---|
| TSW-21 PRIMARY | Omega Engineering, Inc. (USA) |
NSN 5930-01-652-0175 is a Switch,thermostatic, manufactured by Omega Engineering, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-652-0175 has 1 manufacturer part number on file: TSW-21 (Omega Engineering, Inc.).
Key specifications for TSW-21: Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Overall Diameter: 9.7 MILLIMETERS NOMINAL MM; Contact Load Current Rating: 1.0 AMPERES LAMP LOAD SINGLE VOLTAGE. 14 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.