The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-663-0498, 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 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6680-01-663-0498 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | DOUBLE PORT FLANGED |
| Material Document and Classification | ASME B16.5 150 RF ASSN STD SINGLE MATERIAL RESPONSE |
| Bolt Circle Diameter | 2.00 INCHES NOMINAL IN |
| Material | STEEL COMP 316 |
| Flange Outside Diameter | 6.31 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 910-FA-NF 2 INCH 316 NEO | D/9 Drawing number reference only U.S. Government activity |
| TMS-3493 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6680-01-663-0498 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 6680-01-663-0498: Overall Height: 7.88 INCHES NOMINAL IN; End Connection Type: UNABLE TO DECODE; Style Designator: DOUBLE PORT FLANGED; Material Document and Classification: ASME B16.5 150 RF ASSN STD SINGLE MATERIAL RESPONSE. 6 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.