The Gage,vacuum,indicating, cataloged under National Stock Number 6685-01-508-0705, 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 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-508-0705 |
| Item Name | Gage,vacuum,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Name | INCHES OF MERCURY |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH |
| Scale Smallest Increment | 1.0 INCHES OF MERCURY (INHG) IN |
| Connection Type | EXTERNAL |
| Scale Range | -100.0 TO 0.0 INCHES OF MERCURY IN |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2IN IN |
| Graduation Unit | 20.0 INCHES OF MERCURY IN |
| Connection Location | BACK, CENTER |
| Pointer Color | ANY ACCEPTABLE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Material | COPPER ALLOY AND PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS) AND PLASTIC METHYL METHACRYLATE LOCATION NOT OTHERWISE SPECIFIED |
| Connection Quantity | 1 |
| 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 |
|---|---|
| MIL-G-18997E | 4/1 Identification reference U.S. Government activity |
| SV1MCVBPANAG | 2/2 Government specification standardization U.S. Government activity |
| 31-01-602 | 5/1 Secondary reference Piab Usa, Inc. |
NSN 6685-01-508-0705 is a Gage,vacuum,indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-508-0705: Scale Name: INCHES OF MERCURY; Actuation Type: BOURDON TUBE; Mounting Method: FLUSH; Scale Smallest Increment: 1.0 INCHES OF MERCURY (INHG) IN. 17 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.