The Switch,thermostatic, cataloged under National Stock Number 5930-00-658-6512, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-658-6512 |
| Primary Part Number | 25523158-03 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Precious Material | GOLD OR SILVER |
| Mounting Method | THREADED BUSHING |
| Thread Length | 0.562 INCHES NOMINAL SINGLE THREADED BUSHING IN |
| Style Designator | CYLINDRICAL W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Nominal Thread Size | 0.625 INCHES SINGLE THREADED BUSHING IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 2A SINGLE THREADED BUSHING A |
| Contact Stimulus Rating | 210.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Thread Quantity Per Inch | 18 SINGLE THREADED BUSHING |
| Thread Series Designator | UNF SINGLE THREADED BUSHING |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 25.0 DC AT SEA LEVEL FIRST VOLTAGE |
| Hazardous Locations/environmental Protection | DUSTPROOF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 25523158-03 | Rtx Corporation Div Pratt & Whitney (USA) |
| 5-09010-08 | Psg Controls, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5930PL0818163 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 695315-8 | 3/2 Design control — primary reference U.S. Government activity |
| 5-09010-8 | 5/9 Secondary reference Psg Controls, Inc. |
| 25523158-03 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-00-658-6512 is a Switch,thermostatic, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-658-6512 has 2 manufacturer part numbers on file: 25523158-03 (Rtx Corporation Div Pratt & Whitney), 5-09010-08 (Psg Controls, Inc.).
Key specifications for 25523158-03: Overall Height: 1.000 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Precious Material: GOLD OR SILVER. 19 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.
NSN 5930-00-658-6512 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.