The Switch,thermostatic, cataloged under National Stock Number 5930-01-503-9066, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Crane Carrier Company, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-503-9066 |
| Primary Part Number | 139M17 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Crane Carrier Company, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Terminal Type | THREADED STUD |
| Mounting Method | THREADED STUD(S) |
| Style Designator | CYLINDRICAL |
| Nominal Thread Size | 0.190 INCHES SECOND THREADED STUD IN |
| Nominal Thread Size | 0.375 INCHES FIRST THREADED STUD IN |
| Operating Temp Rating | 100.0 FAHRENHEIT MINIMUM AND 230.0 FAHRENHEIT MAXIMUM DEGF |
| Media for Which Designed | LIQUID |
| Thread Class | 2A SECOND THREADED STUD A |
| Thread Quantity Per Inch | 18 FIRST THREADED STUD |
| Thread Quantity Per Inch | 32 SECOND THREADED STUD |
| Thread Series Designator | NPTF FIRST THREADED STUD |
| Thread Series Designator | UNF SECOND THREADED STUD |
| 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 |
|---|---|
| 139M17 PRIMARY | Crane Carrier Company, Llc (USA) |
| 02079-02 PRIMARY | Maxima Technologies & Systems Llc (USA) |
| 334-P PRIMARY | Stewart-Warner Corporation (USA) |
| Reference | Meaning |
|---|---|
| A139M-17 | D/9 Drawing number reference only Crane Carrier Company, Llc |
NSN 5930-01-503-9066 is a Switch,thermostatic, manufactured by Crane Carrier Company, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-503-9066 has 3 manufacturer part numbers on file: 139M17 (Crane Carrier Company, Llc), 02079-02 (Maxima Technologies & Systems Llc), 334-P (Stewart-Warner Corporation).
Key specifications for 139M17: Width Across Flats: 0.750 INCHES NOMINAL IN; Terminal Type: THREADED STUD; Mounting Method: THREADED STUD(S); Style Designator: CYLINDRICAL. 13 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.