The Switch,thermostatic, cataloged under National Stock Number 5930-00-013-7591, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Princo Instruments, Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-013-7591 |
| Primary Part Number | T176A |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Princo Instruments, Inc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.187 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL W/FLANGE |
| Temp Sensing Element Type | BULB |
| Distance Between Mounting Facility Centers | 2.375 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 64.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC 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 |
|---|---|
| T176A PRIMARY | Princo Instruments, Inc (USA) |
| Reference | Meaning |
|---|---|
| 128SCSEA140-1 | 7/9 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 128SCSEA140-1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5930-00-013-7591 is a Switch,thermostatic, manufactured by Princo Instruments, Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-013-7591 has 1 manufacturer part number on file: T176A (Princo Instruments, Inc).
Key specifications for T176A: Overall Height: 1.750 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Mounting Facility Pattern: TWO POSITION IN-LINE. 14 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.