The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-303-9528, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-303-9528 |
| Primary Part Number | P/N P5146D-001 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Bellofram Corporation |
| Status | ACTIVE |
| Scale Accuracy | PORM 1/2 OF 1 PCT OF SCALE |
| Scale Name | PRESSURE |
| Overall Diameter | 5.812 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Scale Range | +0.0 TO 60.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Dial Size | 4-1/2 IN. DIA IN |
| Connection Location | BOTTOM |
| Material | STEEL ALLOY ACTUATING ELEMENT |
| Connection Size | 0.250 IN. 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 |
|---|---|
| P/N P5146D-001 PRIMARY | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1-XAF-04470-EPF | 3/9 Design control — primary reference Desco Corp Marsh Bellofram Div |
| 1-XAF-04470-EPF | 5/9 Secondary reference Bellofram Corporation |
NSN 6685-01-303-9528 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 6685-01-303-9528 has 1 manufacturer part number on file: P/N P5146D-001 (Bellofram Corporation).
Key specifications for P/N P5146D-001: Scale Accuracy: PORM 1/2 OF 1 PCT OF SCALE; Scale Name: PRESSURE; Overall Diameter: 5.812 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 9 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.