The Glass,liquid Sight Indicator,fla, cataloged under National Stock Number 6680-01-123-8763, 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 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-123-8763 |
| Item Name | Glass,liquid Sight Indicator,fla |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Design Type | REFLEX |
| Overall Thickness | 0.688 INCHES NOMINAL IN |
| Mica Shield | NOT PROVIDED |
| Gasket | NOT INCLUDED |
| 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 |
|---|---|
| TMS-1086 | 3/2 Design control — primary reference U.S. Government activity |
| LG75C | 3/1 Design control — primary reference U.S. Government activity |
| LG75CPC7 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-01-123-8763 is a Glass,liquid Sight Indicator,fla, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6680-01-123-8767. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-01-123-8763: Design Type: REFLEX; Overall Thickness: 0.688 INCHES NOMINAL IN; Overall Length: 7.500 INCHES NOMINAL IN; Overall Width: 1.307 INCHES MINIMUM AND 1.347 INCHES MAXIMUM IN. 4 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.