The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-003-3086, 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 28 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-00-003-3086 |
| Primary Part Number | J4648 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Indicator Type | POINTER AND INDICATOR DIAL |
| Scale Accuracy | 2 PCT ENTIRE RANGE |
| Scale Name | POUNDS PRESSURE |
| Overall Diameter | 2.719 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | BOTTOM |
| Mounting Method | THREADED MALE CONNECTION |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 10.0 POUNDS LBS |
| Scale Range | +0.0 TO 100.0 POUNDS PRESSURE LBS |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Display Type | DIAL |
| Dial Size | 2-1/2 IN. DIA IN |
| Graduation Unit | 10.0 POUNDS LBS |
| Connection Location | BOTTOM |
| Color | BLACK CASE |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Material | STEEL CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | SLIPS-ON |
| Measurement Unit | POUNDS PER SQUARE INCH (PSI) |
| 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 |
|---|---|
| J4648 | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| 00100177 | 5/9 Secondary reference Seaman-Parsons Corp |
| 10P1-4PM | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
| J4648 | 3/9 Design control — primary reference Desco Corp Marsh Bellofram Div |
NSN 6685-00-003-3086 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 6685-00-003-3086 has 1 manufacturer part number on file: J4648 (Bellofram Corporation).
Key specifications for J4648: Indicator Type: POINTER AND INDICATOR DIAL; Scale Accuracy: 2 PCT ENTIRE RANGE; Scale Name: POUNDS PRESSURE; Overall Diameter: 2.719 INCHES NOMINAL IN. 28 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.