The Switch,pressure, cataloged under National Stock Number 5930-01-591-3265, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Stewart-Warner Corporation. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-591-3265 |
| Primary Part Number | 411AJ |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Stewart-Warner Corporation |
| Status | ACTIVE |
| Terminal Type | TURRET |
| Overall Diameter | 2.090 INCHES NOMINAL IN |
| Proof Pressure | 80.00 POUNDS PER SQUARE INCH LBS |
| Mounting Method | THREADED BUSHING |
| Style Designator | CYLINDRICAL |
| Pressure Switch Type | GAGE |
| Nominal Thread Size | 0.190 INCHES SINGLE THREADED BUSHING IN |
| Operating Temp Rating | -40.0 CELSIUS MINIMUM AND 149.0 CELSIUS MAXIMUM DEGC |
| Media for Which Designed | LIQUID |
| Thread Class | 2A SINGLE THREADED BUSHING A |
| Thread Series Designator | UNF SINGLE THREADED BUSHING |
| Contact Voltage Rating in Volts | 12.0 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 |
|---|---|
| 411AJ PRIMARY | Stewart-Warner Corporation (USA) |
NSN 5930-01-591-3265 is a Switch,pressure, manufactured by Stewart-Warner Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-591-3265 has 1 manufacturer part number on file: 411AJ (Stewart-Warner Corporation).
Key specifications for 411AJ: Terminal Type: TURRET; Overall Diameter: 2.090 INCHES NOMINAL IN; Proof Pressure: 80.00 POUNDS PER SQUARE INCH LBS; Mounting Method: THREADED BUSHING. 12 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.