The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-312-8450, 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 Gil, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-312-8450 |
| Primary Part Number | 030290 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Gil, Inc. |
| Status | ACTIVE |
| Furnished Data | LIQUID LEVEL |
| Nominal Pipe Size for Which Designed | UNABLE TO DECODE |
| Data Furnishing Method | CLEAR WINDOW |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | GAGE VALVE |
| Distance Between Mounting Facility Centers | 18.375 INCHES NOMINAL IN |
| Maximum Working Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 030290 PRIMARY | Gil, Inc. (USA) |
| Reference | Meaning |
|---|---|
| G-4162 ITEM 22 | 5/9 Secondary reference Gil, Inc. |
NSN 6680-01-312-8450 is a Indicator,sight,liquid, manufactured by Gil, Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-312-8450 has 1 manufacturer part number on file: 030290 (Gil, Inc.).
Key specifications for 030290: Furnished Data: LIQUID LEVEL; Nominal Pipe Size for Which Designed: UNABLE TO DECODE; Data Furnishing Method: CLEAR WINDOW; End Connection Type: UNABLE TO DECODE. 8 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.