The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-252-3051, 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 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-252-3051 |
| Primary Part Number | NA38-2PT4-LWCX |
| 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 |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 1/2 OF ONE PCT RATING MIDDLE THIRD OF RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 10.250 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | SURFACE WALL |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 25.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 3000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Nondefinitive Spec/std Data | I TYPE AND 3 COMPOSITION |
| Dial Size | 8-1/2 IN. DIA IN |
| Graduation Unit | 300.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 9.625 INCHES NOMINAL IN |
| Connection Location | BOTTOM |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Material | STEEL ALLOY ACTUATING ELEMENT |
| Material | COPPER ALLOY AND PLASTIC CASE |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN. NPT DIA 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 |
|---|---|
| NA38-2PT4-LWCX PRIMARY | Ashcroft Inc Dba Heise (USA) |
| 12699PC813 PRIMARY | Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA) |
NSN 6685-00-252-3051 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 6685-00-252-3051 has 2 manufacturer part numbers on file: NA38-2PT4-LWCX (Ashcroft Inc Dba Heise), 12699PC813 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).
Key specifications for NA38-2PT4-LWCX: Mounting Hole Quantity: 3; Scale Accuracy: 1/2 OF ONE PCT RATING MIDDLE THIRD OF RANGE; Scale Name: PRESSURE; Overall Diameter: 10.250 INCHES NOMINAL IN. 27 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.