The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-070-1223, 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 Bellofram Corporation. Government technical data includes 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-070-1223 |
| Primary Part Number | H0290 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 1 |
| Scale Accuracy | PORM 1 PCT ACCURACY |
| Scale Name | HYDRAULIC PRESSURE AND L |
| Overall Diameter | 3.750 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Connection Location | BOTTOM |
| Mounting Method | THREADED PIPE CONNECTION |
| Scale Inscription/background Color | BLACK FIGURES,WHITE BACKGROUND |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 10000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | CONCENTRIC ARC DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2 INCH DIA IN |
| Connection Location | BOTTOM |
| Color | BLACK CASE |
| Pointer Color | BLACK |
| Surface Treatment | ZINC AND ENAMEL CASE |
| Unable to Decode | UNABLE TO DECODE |
| Material | STEEL ALLOY ACTUATING ELEMENT |
| Material | STEEL CASE |
| Connection Quantity | 1 |
| Bezel Type | SLIPS-ON |
| Connection Size | 0.250 INCH 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 |
|---|---|
| H0290 | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| H0290 | 3/9 Design control — primary reference Desco Corp Marsh Bellofram Div |
NSN 6685-01-070-1223 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-070-1223 has 1 manufacturer part number on file: H0290 (Bellofram Corporation).
Key specifications for H0290: Mounting Hole Quantity: 1; Scale Accuracy: PORM 1 PCT ACCURACY; Scale Name: HYDRAULIC PRESSURE AND L; Overall Diameter: 3.750 INCHES NOMINAL IN. 26 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.