The Switch,thermostatic, cataloged under National Stock Number 5930-01-450-3048, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-450-3048 |
| Primary Part Number | SA12D/QF11A1 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Frequency in Hertz | 60.0 SECOND VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Bulb Diameter | 0.375 INCHES NOMINAL IN |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 0.5 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 0.25 AMPERES RESISTIVE LOAD FOURTH VOLTAGE |
| Mounting Method | FLANGE |
| Contact Adjustment Range | +8.00 TO 120.00 ACTUATION POINT DEGREES FAHRENHEIT AND +8.00 TO 120.00 DEACTUATION POINT DEGREES FAHRENHEIT |
| Style Designator | CYLINDRICAL W/MOUNTING LUGS |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT HEX NUT WITH SCALE AND EXTERNAL DEACTUATION POINT HEX NUT WITH SCALE |
| Features Provided | ELECTRICAL ACCESS PORT |
| Distance Between Mounting Facility Centers | 3.160 INCHES NOMINAL IN |
| Capillary Tube Length | 72.000 INCHES NOMINAL IN |
| Body Length | 7.600 INCHES NOMINAL IN |
| Operating Temp Rating | 100.0 FAHRENHEIT MINIMUM AND 220.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | GAS OR LIQUID |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE AND DEACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 250.0 DC AT SEA LEVEL FOURTH VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 DC AT SEA LEVEL THIRD 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 |
|---|---|
| SA12D/QF11A1 PRIMARY | Automatic Switch Company Dba Asco (USA) |
| Reference | Meaning |
|---|---|
| 9314C08-2145 | 7/2 Vendor item drawing reference The Entwistle Company Llc |
NSN 5930-01-450-3048 is a Switch,thermostatic, manufactured by Automatic Switch Company Dba Asco, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-450-3048 has 1 manufacturer part number on file: SA12D/QF11A1 (Automatic Switch Company Dba Asco).
Key specifications for SA12D/QF11A1: Overall Height: 3.500 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Frequency in Hertz: 60.0 SECOND VOLTAGE; Contact Action Stimulus: INCREASE. 25 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.