The Switch,thermostatic, cataloged under National Stock Number 5930-00-644-2998, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Detroit Switch Inc Dba Detroit Switch Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-644-2998 |
| Primary Part Number | X24173 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Detroit Switch Inc Dba Detroit Switch Inc |
| Status | ACTIVE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Bulb Length | 3.625 INCHES NOMINAL IN |
| Bulb Diameter | 0.688 INCHES NOMINAL IN |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 4.6 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BASE |
| Contact Adjustment Range | +70.00 TO 180.00 ACTUATION POINT DEGREES CELSIUS |
| Longest Vertical Distance Between Mounting Centers | 2.219 INCHES NOMINAL IN |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW |
| Capillary Tube Length | 120.000 INCHES NOMINAL IN |
| Operating Temp Rating | 220.0 CELSIUS MAXIMUM AND -273.1 CELSIUS MINIMUM DEGC |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Contact Stimulus Rating | 3.00 DIFFERENTIAL POINT NOMINAL DEGREES CELSIUS |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 550.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 DC AT SEA LEVEL FIRST VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 6.625 INCHES NOMINAL IN |
| 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 |
|---|---|
| X24173 PRIMARY | Detroit Switch Inc Dba Detroit Switch Inc (USA) |
| AASK34263-5PC34 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| AASK34910-7PC34 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 571-4810-1301796PC7 | 3/2 Design control — primary reference U.S. Government activity |
| 3074-01PC47 | 5/9 Secondary reference U.S. Government activity |
| 3073-21PC47 | 5/9 Secondary reference U.S. Government activity |
| K1-6202-1001237PC47 | 3/2 Design control — primary reference U.S. Government activity |
| 3678-219PC7 | 3/2 Design control — primary reference U.S. Government activity |
| K1-6401-1001272PC47 | 3/2 Design control — primary reference U.S. Government activity |
| 3073-06PC47 | 5/9 Secondary reference U.S. Government activity |
| K2-6202-1001257PC47 | 3/2 Design control — primary reference U.S. Government activity |
| 3095-03LINE353 | 5/9 Secondary reference U.S. Government activity |
| 2995-03LINE54 | 5/9 Secondary reference U.S. Government activity |
| 564-3803-1183565PC34 | 3/2 Design control — primary reference U.S. Government activity |
| 564-3101-937728LINE34 | 3/2 Design control — primary reference U.S. Government activity |
| K1-3803-1002097PC34 | 3/2 Design control — primary reference U.S. Government activity |
| K1-3101-1001284LINE353 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-00-644-2998 is a Switch,thermostatic, manufactured by Detroit Switch Inc Dba Detroit Switch Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-644-2998 has 3 manufacturer part numbers on file: X24173 (Detroit Switch Inc Dba Detroit Switch Inc), AASK34263-5PC34 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc), AASK34910-7PC34 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for X24173: Overall Height: 2.875 INCHES NOMINAL IN; Mounting Facility Pattern: FOUR POSITION RECTANGULAR; Bulb Length: 3.625 INCHES NOMINAL IN; Bulb Diameter: 0.688 INCHES NOMINAL IN. 18 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.