The Switch,thermostatic, cataloged under National Stock Number 5930-00-252-4127, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-252-4127 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Bulb Length | 3.625 INCHES NOMINAL IN |
| Bulb Diameter | 0.688 INCHES NOMINAL IN |
| Mounting Method | BRACKET(S) |
| Contact Adjustment Range | +255.00 TO 330.00 ACTUATION POINT DEGREES FAHRENHEIT |
| Criticality Code Justification | ZZZY |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT KNOB WITH SCALE |
| Features Provided | ELECTRICAL ACCESS PORT |
| Capillary Tube Length | 10.000 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | LIQUID |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 222-10NL2221265 | 3/1 Design control — primary reference Detroit Switch Inc Dba Detroit Switch Inc |
| TS1184-1078 | 5/1 Secondary reference Detroit Switch Inc Dba Detroit Switch Inc |
| 2221265 | 5/1 Secondary reference Detroit Switch Inc Dba Detroit Switch Inc |
| TS-1184-1350 | D/9 Drawing number reference only Detroit Switch Inc Dba Detroit Switch Inc |
| 3201499-2221265 | 5/1 Secondary reference U.S. Government activity |
NSN 5930-00-252-4127 is a Switch,thermostatic, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5930-01-323-0832. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-00-252-4127: Contact Action Stimulus: INCREASE; Bulb Length: 3.625 INCHES NOMINAL IN; Bulb Diameter: 0.688 INCHES NOMINAL IN; Mounting Method: BRACKET(S). 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.
NSN 5930-00-252-4127 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.