The Gage,liquid Quantity,float Type, cataloged under National Stock Number 6680-00-809-4697, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-809-4697 |
| Primary Part Number | 77144 |
| Item Name | Gage,liquid Quantity,float Type |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Indicator Type | DIAL |
| Scale Calibration | E TO F RANGE |
| Mounting Method | FLANGE |
| Scale Smallest Increment | 0.125 TANK |
| Float Protective Case | NOT PROVIDED |
| Mounting Hole Diameter | 0.312 INCHES IN |
| Oil Seal | NOT PROVIDED |
| Float Guide Wire | NOT PROVIDED |
| Scale Type | STATIONARY |
| Flange Width | 2.375 INCHES IN |
| Material | ALUMINUM FLOAT |
| Flange Length | 2.375 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 77144 | Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA) |
| Reference | Meaning |
|---|---|
| 77144 | 3/9 Design control — primary reference U.S. Government activity |
NSN 6680-00-809-4697 is a Gage,liquid Quantity,float Type, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-809-4697 has 1 manufacturer part number on file: 77144 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-442-9131. Verify interchangeability with system specifications before substitution.
Key specifications for 77144: Mounting Hole Quantity: 4; Overall Height: 2.375 INCHES NOMINAL IN; Indicator Type: DIAL; Scale Calibration: E TO F RANGE. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.