The Switch,thermostatic, cataloged under National Stock Number 5930-01-173-2636, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Burling Instruments, Inc.. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-173-2636 |
| Primary Part Number | B-2C683 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Burling Instruments, Inc. |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | IMMERSION WELL |
| Contact Adjustment Range | +175.00 TO 400.00 ACTUATION POINT DEGREES FAHRENHEIT |
| Style Designator | CYLINDRICAL |
| Temp Sensing Element Type | EXPANDING ROD |
| Contact Adjustment Type | INTERNAL ACTUATION POINT SCREW WITH SCALE |
| Features Provided | ELECTRICAL ACCESS PORT |
| Body Length | 4.750 INCHES NOMINAL IN |
| Operating Temp Rating | 600.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 480.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Hazardous Locations/environmental Protection | WEATHERTIGHT |
| 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 |
|---|---|
| B-2C683 PRIMARY | Burling Instruments, Inc. (USA) |
NSN 5930-01-173-2636 is a Switch,thermostatic, manufactured by Burling Instruments, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-173-2636 has 1 manufacturer part number on file: B-2C683 (Burling Instruments, Inc.).
Key specifications for B-2C683: Overall Height: 2.938 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: SCREW; Contact Load Current Rating: 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE. 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.