The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-137-7983, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-137-7983 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| FSC Application Data | HEAT EXCHANGER,GROUND EQUIP |
| Scale Accuracy | 3 PCT FULL RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 4.844 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | BACK, CENTER |
| Mounting Method | CLAMP |
| Scale Inscription/background Color | BLACK FIGURES WHITE BACKGROUND |
| Scale Smallest Increment | 5.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 160.0 POUNDS PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2 IN. DIA IN |
| Graduation Unit | 20.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK, LOWER |
| Color | BLACK CASE |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Material | PLASTIC AND STEEL CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| Connection Size | 0.250 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 |
| Reference | Meaning |
|---|---|
| P1500U3 1/2-160 | 5/9 Secondary reference Texas Gage Co |
| 1500U3 1/2-160 | 3/9 Design control — primary reference Texas Gage Co |
| 1500UP3 1/2-160 | 5/9 Secondary reference Texas Gage Co |
NSN 6685-01-137-7983 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-137-7983: FSC Application Data: HEAT EXCHANGER,GROUND EQUIP; Scale Accuracy: 3 PCT FULL RANGE; Scale Name: PRESSURE; Overall Diameter: 4.844 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.