The Switch,thermostatic, cataloged under National Stock Number 5930-01-183-6637, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-183-6637 |
| Primary Part Number | 12338596 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Body Diameter | 0.652 INCHES NOMINAL IN |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Mounting Method | THREADED BUSHING |
| Style Designator | CYLINDRICAL W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Media for Which Designed | GAS OR LIQUID |
| Thread Quantity Per Inch | 18 SINGLE THREADED BUSHING |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| 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 |
|---|---|
| 12338596 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12338596 | Am General Llc (USA) |
| SDE1836637 | Alfariver Defense S.l (ESP) |
| Reference | Meaning |
|---|---|
| 5930011836637 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 456720029409 | 6/9 Informative reference only Ncb Hungary (honvedsegi Egyseges Termekkod) |
| 5930PL0648929 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5569700-B | 5/9 Secondary reference Am General Llc |
| 5569700 | 5/9 Secondary reference Am General Llc |
| 12338596 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-183-6637 is a Switch,thermostatic, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-183-6637 has 3 manufacturer part numbers on file: 12338596 (U S Army Tank Automotive Command Amsta-Im-Mm), 12338596 (Am General Llc), SDE1836637 (Alfariver Defense S.l).
Key specifications for 12338596: Body Diameter: 0.652 INCHES NOMINAL IN; Width Across Flats: 0.750 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD. 10 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.