The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-449-3109, 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. 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12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6680-01-449-3109 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Width Across Flats | 1.060 INCHES NOMINAL IN |
| Nominal Pipe Size for Which Designed | UNABLE TO DECODE |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | VERTICAL SHIELDED, DOUBLE PORT |
| Nominal Thread Size | UNABLE TO DECODE |
| Maximum Temp Rating | 300.0 FAHRENHEIT DEGF |
| Surface Treatment | PASSIVATE |
| Maximum Working Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Thread Quantity Per Inch | UNABLE TO DECODE |
| Material | STEEL COMP 304 |
| Thread Series Designator | UNABLE TO DECODE |
| Sight Height | 1.200 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6680PL1905547 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2D7458 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6680-01-449-3109 is a Indicator,sight,liquid, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
Key specifications for 6680-01-449-3109: Overall Height: 4.220 INCHES NOMINAL IN; Width Across Flats: 1.060 INCHES NOMINAL IN; Nominal Pipe Size for Which Designed: UNABLE TO DECODE; End Connection Type: UNABLE TO DECODE. 12 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.
NSN 6680-01-449-3109 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.