The Switch,thermostatic, cataloged under National Stock Number 5930-01-174-7528, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-174-7528 |
| Primary Part Number | 300-012172-002 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| Status | ACTIVE |
| Terminal Type | THREADED HOLE |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 30.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 30.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | THREADED HOLE(S) |
| Features Provided | MANUAL RESET BUTTON |
| Distance Between Mounting Facility Centers | 1.250 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES ALL THREADED HOLE IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, DOUBLE MAKE, BOTH POSITIONS MAINTAINED |
| Contact Stimulus Rating | 247.00 ACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 256.00 ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT |
| Thread Quantity Per Inch | 32 ALL THREADED HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE, MANUAL RESET |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 230.0 AC AT SEA LEVEL SECOND 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 |
|---|---|
| 300-012172-002 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 10172H335A | 5/9 Secondary reference U.S. Government activity |
NSN 5930-01-174-7528 is a Switch,thermostatic, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-174-7528 has 1 manufacturer part number on file: 300-012172-002 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 300-012172-002: Overall Height: 1.500 INCHES NOMINAL IN; Terminal Type: THREADED HOLE; Mounting Facility Pattern: TWO POSITION IN-LINE; Contact Load Current Rating: 30.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE. 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.