The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-644-5041, 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 Noshok Inc. Government technical data includes 11 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 | 6685-01-644-5041 |
| Primary Part Number | 25-400-2000-PSI-1/4 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Noshok Inc |
| Status | ACTIVE |
| Scale Name | POUNDS PRESSURE |
| Overall Diameter | 2.68 INCHES NOMINAL IN |
| Actuation Type | PRESSURE SENSING ELEMENT |
| Scale Inscription/background Color | BLACK MARKS WITH WHITE DIAL BACKGROUND |
| Scale Smallest Increment | 20.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Range | +0.0 TO 2000.0 POUNDS PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Scale Type | CIRCULAR |
| Graduation Unit | 200.0 POUNDS PER SQUARE INCH LBS |
| Material | STEEL CORROSION RESISTING CASE |
| Connection Quantity | 1 |
| 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 |
|---|---|
| 25-400-2000-PSI-1/4 PRIMARY | Noshok Inc (USA) |
NSN 6685-01-644-5041 is a Gage,pressure,dial Indicating, manufactured by Noshok Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-644-5041 has 1 manufacturer part number on file: 25-400-2000-PSI-1/4 (Noshok Inc).
Key specifications for 25-400-2000-PSI-1/4: Overall Height: 3.5 INCHES NOMINAL IN; Scale Name: POUNDS PRESSURE; Overall Diameter: 2.68 INCHES NOMINAL IN; Actuation Type: PRESSURE SENSING ELEMENT. 11 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.