The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-003-3377, 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 27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-00-003-3377 |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 1/2 OF 1 PERCENT PLUSOR MINUS OVER ENTIRE SCALE |
| Scale Name | PRESSURE-VACUUM |
| Overall Diameter | 6.188 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | PANEL W/SCREWS |
| Scale Inscription/background Color | BLACK NUMERALS AND GRADUATIONS,WHITE BACKGROUND |
| Scale Smallest Increment | 2.0 INCHES OF MERCURY (INHG) AND 1.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Range | +0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 150.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.217 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Scale Name for Which Pointer Is Designed | PRESSURE-VACUUM |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | MULTIPLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 IN. DIA IN |
| Graduation Unit | 10.0 INCHES OF MERCURY AND 15.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 5.688 INCHES NOMINAL IN |
| Connection Location | BACK, LOWER |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Unable to Decode | UNABLE TO DECODE |
| Material | STEEL CASE |
| Material | GLASS LAMINATE PROTECTIVE CRYSTAL |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| 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 |
|---|---|
| 2415799 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 6685-00-003-3377 is a Gage,compound Pressure-Vacuum,di, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-003-3377: Mounting Hole Quantity: 3; Scale Accuracy: 1/2 OF 1 PERCENT PLUSOR MINUS OVER ENTIRE SCALE; Scale Name: PRESSURE-VACUUM; Overall Diameter: 6.188 INCHES NOMINAL IN. 27 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.