The Switch,thermostatic, cataloged under National Stock Number 5930-01-085-3356, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-085-3356 |
| Primary Part Number | A1S168 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Burling Instruments, Inc. |
| Status | ACTIVE |
| Body Diameter | 0.375 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Bulb Length | 9.000 INCHES NOMINAL IN |
| Bulb Diameter | 0.375 INCHES NOMINAL IN |
| Contact Load Current Rating | 7.5 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | IMMERSION WELL AND THREADED HOLE(S) |
| Contact Adjustment Range | +35.00 TO 750.00 ACTUATION POINT DEGREES FAHRENHEIT AND +35.00 TO 750.00 DEACTUATION POINT DEGREES FAHRENHEIT |
| Temp Sensing Element Type | BULB |
| Contact Adjustment Type | EXTERNAL DEACTUATION POINT SCREW AND EXTERNAL ACTUATION POINT SCREW |
| Distance Between Mounting Facility Centers | 0.312 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES ALL THREADED HOLE IN |
| Body Length | 9.000 INCHES NOMINAL IN |
| Operating Temp Rating | 1200.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Quantity Per Inch | 20 ALL THREADED HOLE |
| Thread Series Designator | UNS ALL THREADED HOLE |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| 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 |
|---|---|
| A1S168 PRIMARY | Burling Instruments, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A1S168A | 5/9 Secondary reference Burling Instruments, Inc. |
NSN 5930-01-085-3356 is a Switch,thermostatic, manufactured by Burling Instruments, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-085-3356 has 1 manufacturer part number on file: A1S168 (Burling Instruments, Inc.).
Key specifications for A1S168: Body Diameter: 0.375 INCHES NOMINAL IN; Overall Height: 3.062 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB W/SCREW. 21 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.