The Gage,vacuum,indicating, cataloged under National Stock Number 6685-00-081-4892, 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 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-081-4892 |
| Item Name | Gage,vacuum,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Accuracy | PORM 1/2 OF 1 PCT FULL SCALE |
| Scale Name | VACUUM |
| Overall Diameter | 7.562 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 0.5 INCHES IN |
| Scale Range | +0.0 TO 30.0 INCHES OF VACUUM IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 6 IN. DIA IN |
| Graduation Unit | 5.0 INCHES IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Surface Treatment | PAINT CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | STEEL ACTUATING ELEMENT |
| Material | ALUMINUM CASE |
| Connection Quantity | 1 |
| 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 |
| Reference | Meaning |
|---|---|
| 1377BV | 3/1 Design control — primary reference Ashcroft Inc Dba Heise |
NSN 6685-00-081-4892 is a Gage,vacuum,indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-081-4892: Scale Accuracy: PORM 1/2 OF 1 PCT FULL SCALE; Scale Name: VACUUM; Overall Diameter: 7.562 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 21 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.