The Switch,thermostatic, cataloged under National Stock Number 5930-00-863-3141, 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 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-863-3141 |
| Primary Part Number | 837-V3A |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Body Diameter | 0.688 INCHES NOMINAL IN |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Mounting Facility Pattern | TWO POSITION DIAGONAL |
| Contact Load Current Rating | 3.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | IMMERSION WELL AND UNTHREADED HOLE(S) |
| Contact Adjustment Range | +147.00 TO 288.00 ACTUATION POINT DEGREES FAHRENHEIT |
| Unthreaded Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Longest Vertical Distance Between Mounting Centers | 1.375 INCHES NOMINAL IN |
| Temp Sensing Element Type | IMMERSION WELL |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW |
| Features Provided | ELECTRICAL ACCESS PORT |
| Body Length | 5.125 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Contact Stimulus Rating | 190.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 140.00 DEACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 274.00 DEACTUATION POINT MAXIMUM DEGREES FAHRENHEIT AND 3.50 DIFFERENTIAL POINT MINIMUM DEGREES FAHRENHEIT AND 28.00 DIFFERENTIAL POINT MAXIMUM DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE, PRESET |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 600.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 1.624 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-V3A | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| B-7354-002 | 5/9 Secondary reference Cooper Machinery Services Llc |
| B-7354-2 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5930-00-863-3141 is a Switch,thermostatic, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-863-3141 has 1 manufacturer part number on file: 837-V3A (Rockwell Automation, Inc. Dba Rockwell Automation).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-485-2219. Verify interchangeability with system specifications before substitution.
Key specifications for 837-V3A: Body Diameter: 0.688 INCHES NOMINAL IN; Overall Height: 2.688 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Contact Action Stimulus: INCREASE. 24 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.