The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-451-5260, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 28 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-451-5260 |
| Primary Part Number | AA44-6PJ4RWXX |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| FSC Application Data | GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE |
| Scale Accuracy | 1/2 PCT OF FULL SCALE |
| Scale Name | PRESSURE |
| Overall Diameter | 6.063 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | FLUSH PANEL |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 2.0 POUNDS LBS |
| Connection Type | INTERNAL |
| Scale Range | +0.000 TO 300.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Stud Location | BACK, CENTER |
| Stud Quantity | 3 |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 IN. DIA IN |
| Graduation Unit | 50.0 POUNDS LBS |
| Bolt Circle Diameter | 5.388 INCHES NOMINAL IN |
| Connection Location | LOWER BACK |
| Pointer Color | BLACK |
| Surface Treatment | EPOXY CASE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM AND STEEL CASE |
| Connection Quantity | 1 |
| Bezel Type | HINGE |
| Connection Size | 1/4 IN. NPT IN |
| 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 |
|---|---|
| AA44-6PJ4RWXX PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| APN70-0-300PSI | 5/1 Secondary reference Ashcroft Inc Dba Heise |
| 215-01366-1 | D/9 Drawing number reference only U.S. Government activity |
| DSS0-300PSI45-1377AS02BXSLP | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| 45-1377AS02BXSLPDSS0-300PS1 | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| AA046PJ4RWXX | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| 45-1377BS02B300 | 5/9 Secondary reference Ashcroft Inc Dba Heise |
NSN 6685-00-451-5260 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-451-5260 has 1 manufacturer part number on file: AA44-6PJ4RWXX (Ashcroft Inc Dba Heise).
Key specifications for AA44-6PJ4RWXX: FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE; Scale Accuracy: 1/2 PCT OF FULL SCALE; Scale Name: PRESSURE; Overall Diameter: 6.063 INCHES NOMINAL IN. 28 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.