The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-431-0717, 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 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-431-0717 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Data Furnishing Method | CLEAR WINDOW |
| 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 |
| Reference | Meaning |
|---|---|
| EY-D01032B PC-14 | 3/9 Design control — primary reference Fuji Trading America Inc |
| EY-D01032B | D/9 Drawing number reference only Nihon Seiki Co. Ltd |
| EY-D01032B PC-14 | 5/9 Secondary reference Fuji Trading (america) Inc. |
NSN 6680-01-431-0717 is a Indicator,sight,liquid, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-431-6649, 4820-01-432-0190, 4820-01-432-0192. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-01-431-0717: Data Furnishing Method: CLEAR WINDOW; End Item Identification: AIR DRYER,REF; Material: COPPER ALLOY. 2 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.