The Switch,thermostatic, cataloged under National Stock Number 5930-01-253-4213, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-253-4213 |
| Primary Part Number | 837-V1A |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | TWO POSITION DIAGONAL |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Height | 4.625 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.217 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 1.375 INCHES NOMINAL IN |
| Temp Sensing Element Type | BULB |
| Features Provided | ELECTRICAL ACCESS PORT |
| Operating Temp Rating | 25.0 FAHRENHEIT MINIMUM AND 125.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Longest Horizontal Distance Between Mounting Centers | 1.626 INCHES NOMINAL IN |
| Hazardous Locations/environmental Protection | GENERAL PURPOSE-NEMA TYPE 1 |
| 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 |
|---|---|
| 837-V1A | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| ST74D54-1 | 3/9 Design control — primary reference Lockheed Martin Corp |
NSN 5930-01-253-4213 is a Switch,thermostatic, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-253-4213 has 1 manufacturer part number on file: 837-V1A (Rockwell Automation, Inc. Dba Rockwell Automation).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-485-2260. Verify interchangeability with system specifications before substitution.
Key specifications for 837-V1A: Overall Height: 8.906 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: SCREW; Mounting Facility Pattern: TWO POSITION DIAGONAL. 13 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.