The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-01-528-3612, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-528-3612 |
| Primary Part Number | 45-1279SS-04L 0/300 PSI |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Scale Name | PRESSURE |
| Actuation Type | BOURDON TUBE |
| Scale Range | +0.0 TO 300.0 POUNDS PER SQUARE INCH LBS |
| Scale Type | DIAL |
| Dial Size | 4-1/2INCH IN |
| Material | STEEL ACTUATING ELEMENT |
| Material | PLASTIC PHENOLIC CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 45-1279SS-04L 0/300 PSI PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 45-1279-S-04-XXX-0/300 | 5/9 Secondary reference Ashcroft Inc Dba Heise |
NSN 6620-01-528-3612 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-528-3612 has 1 manufacturer part number on file: 45-1279SS-04L 0/300 PSI (Ashcroft Inc Dba Heise).
Key specifications for 45-1279SS-04L 0/300 PSI: Scale Name: PRESSURE; Actuation Type: BOURDON TUBE; Scale Range: +0.0 TO 300.0 POUNDS PER SQUARE INCH LBS; Scale Type: DIAL. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.