The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-563-5171, 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 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-563-5171 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Name | LOW PRESSURE |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | BOTTOM |
| Mounting Method | EXTERNAL PIPE CONNECTION |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 50000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | REFERENCE |
| Scale Type | DIAL |
| Dial Size | 6.0 INCH DIAMETER DIAL IN |
| Connection Location | BOTTOM |
| Material | STEEL CORROSION RESISTING CASE |
| Connection Quantity | 1 |
| Connection Size | 0.250 INCH NPT DIAMETER, 0.850 INCH LENGTH 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 |
|---|---|
| F-3422 PC 2 | 5/2 Secondary reference U.S. Government activity |
| H50KS1/4 HPF-GF | 3/9 Design control — primary reference Mc Daniel Controls |
NSN 6685-01-563-5171 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-563-5171: Scale Name: LOW PRESSURE; Actuation Type: BOURDON TUBE; Mounting Connection Location: BOTTOM; Mounting Method: EXTERNAL PIPE CONNECTION. 13 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.