The Gage,liquid Oxygen Content,dial, cataloged under National Stock Number 6685-01-331-5677, 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12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-331-5677 |
| Item Name | Gage,liquid Oxygen Content,dial |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Name | OXYGEN |
| Overall Diameter | 6.090 INCHES NOMINAL IN |
| Mounting Connection Location | LOWER RIGHT HAND SIDE AND LOWER REAR LEFT SIDE AND TOP CENTER |
| Mounting Method | HOLE |
| Scale Smallest Increment | 0.5 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Range | +0.0 TO 60.0 POUNDS PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Pointer Type | REFERENCE |
| Scale Type | CIRCULAR |
| Graduation Unit | 1.0 POUNDS PER SQUARE INCH LBS |
| Material | ALUMINUM CASE |
| 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 |
|---|---|
| 3305513-1 | 3/9 Design control — primary reference U.S. Government activity |
| 25584-06B25GBKGG | 5/9 Secondary reference 3d Instruments, Lp Dba Sierra Precision |
| 22584-06B25GBK-GCG-MHC | 5/9 Secondary reference 3d Instruments, Lp Dba Sierra Precision |
| 1779AS102-1 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 25584-06B25GBK-GCG-MHC | 5/9 Secondary reference 3d Instruments, Lp Dba Sierra Precision |
NSN 6685-01-331-5677 is a Gage,liquid Oxygen Content,dial, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-331-5677: Mounting Hole Quantity: 3; Scale Name: OXYGEN; Overall Diameter: 6.090 INCHES NOMINAL IN; Mounting Connection Location: LOWER RIGHT HAND SIDE AND LOWER REAR LEFT SIDE AND TOP CENTER. 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.