The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-653-7650, 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 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-01-653-7650 |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Name | PRESSURE AND VACUUM |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH |
| Scale Range | +0.0 TO 300.0 PRESSURE AND +0.0 TO 30.0 INCHES OF MERCURY IN |
| Pointer Type | INDICATING |
| Scale Type | DIAL |
| Dial Size | 4.5 IN DIA IN |
| Graduation Unit | 10.0 INCHES OF MERCURY AND 5.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK |
| Material | NICKEL ALLOY ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 1/4 IN NPT (MALE) 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 |
|---|---|
| SCX4M2N-G | 5/1 Secondary reference Moeller Instrument Company, Inc. Dba Moeller Instrument Co |
| SC4MC3HCBPANAG | 2/2 Government specification standardization U.S. Government activity |
NSN 6685-01-653-7650 is a Gage,compound Pressure-Vacuum,di, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-653-7650: Scale Name: PRESSURE AND VACUUM; Actuation Type: BOURDON TUBE; Mounting Method: FLUSH; Scale Range: +0.0 TO 300.0 PRESSURE AND +0.0 TO 30.0 INCHES OF MERCURY IN. 12 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.