The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-475-8409, 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17 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-475-8409 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Scale Name | VACUUM |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH |
| Scale Smallest Increment | 0.5 INCHES IN |
| Connection Type | EXTERNAL |
| Scale Range | -30.0 TO 30.0 INCHES OF VACUUM IN |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2IN IN |
| Graduation Unit | 5.0 INCHES IN |
| Connection Location | BOTTOM REAR |
| Pointer Color | ANY ACCEPTABLE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 2 |
| Connection Size | 0.250NPT |
| 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 |
|---|---|
| SV4MCVWPANA | 2/2 Government specification standardization U.S. Government activity |
| MIL-G-18997 | 4/1 Identification reference U.S. Government activity |
| SV4MCVWPANAG | 5/9 Secondary reference Moeller Instrument Company, Inc. Dba Moeller Instrument Co |
| SV4MCVWPANAG | 5/1 Secondary reference U.S. Government activity |
| AA442CB4RW | 5/9 Secondary reference Weksler Glass Thermometer Corp |
NSN 6685-01-475-8409 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-475-8409: Scale Name: VACUUM; Actuation Type: BOURDON TUBE; Mounting Method: FLUSH; Scale Smallest Increment: 0.5 INCHES 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.