The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-255-4039, 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 Orange Research Inc. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-255-4039 |
| Primary Part Number | 1202-E-1012 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Orange Research Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Scale Accuracy | PORM 2 PCT FULL SCALE |
| Scale Name | DIFFERENTIAL PRESSURE |
| Actuation Type | PISTON AND MAGNETIC |
| Mounting Connection Location | BOTTOM AND TOP |
| Mounting Method | FLANGE |
| Reference Data and Literature | MFG COMMERCIAL DATA |
| Connection Type | INTERNAL |
| Scale Range | +0.0 TO 35.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.187 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Scale Type | CONCENTRIC ARC DIAL |
| Dial Size | 2 IN. DIA IN |
| Bolt Circle Diameter | 3.187 INCHES NOMINAL IN |
| Connection Location | BOTH SIDES |
| Surface Treatment | ANODIZE CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | ALUMINUM ACTUATING ELEMENT |
| Material | ALUMINUM CASE |
| Connection Quantity | 2 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 1202-E-1012 PRIMARY | Orange Research Inc (USA) |
| Reference | Meaning |
|---|---|
| 1202PG-1A-2.OF 0/30 | 5/9 Secondary reference Orange Research Inc |
| ORS37 | 5/9 Secondary reference Orange Research Inc |
| 1202PG-11A-2-F | 5/9 Secondary reference Orange Research Inc |
NSN 6685-01-255-4039 is a Gage,pressure,dial Indicating, manufactured by Orange Research Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-255-4039 has 1 manufacturer part number on file: 1202-E-1012 (Orange Research Inc).
Key specifications for 1202-E-1012: Mounting Hole Quantity: 2; Overall Height: 2.000 INCHES NOMINAL IN; Scale Accuracy: PORM 2 PCT FULL SCALE; Scale Name: DIFFERENTIAL PRESSURE. 21 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.