The Gage,pressure,dial Indicating, cataloged under National Stock Number 4240-01-445-0539, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-445-0539 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Scale Name | PRESSURE |
| Actuation Type | PRESSURE SENSING ELEMENT |
| Scale Smallest Increment | 0.5 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Range | +0.0 TO 100.0 POUNDS PER SQUARE INCH LBS |
| Scale Type | CIRCULAR |
| Connector Type Vent | NOT PROVIDED |
| Graduation Unit | 10.0 POUNDS PER SQUARE INCH LBS |
| Pointer Color | ANY ACCEPTABLE |
| Material | RUBBER SYNTHETIC ACTUATING ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 25544-23B21CBE-GCD2-LFH1 | 5/9 Secondary reference 3d Instruments, Lp Dba Sierra Precision |
| 25544-23B21CBE-GCD2-LFHI | 3/9 Design control — primary reference 3d Instruments, Lp Dba Sierra Precision |
NSN 4240-01-445-0539 is a Gage,pressure,dial Indicating, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-445-0539: Scale Name: PRESSURE; Actuation Type: PRESSURE SENSING ELEMENT; Scale Smallest Increment: 0.5 POUNDS PER SQUARE INCH (PSI) LBS; Scale Range: +0.0 TO 100.0 POUNDS PER SQUARE INCH LBS. 9 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.