The Indicator,sight,liquid, cataloged under National Stock Number 6680-00-735-2186, 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 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-00-735-2186 |
| 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 | 1.688 INCHES NOMINAL IN |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | BULLS EYE W/CAP |
| Material | COPPER ALLOY |
| Sight Diameter | 1.000 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 |
|---|---|
| V746-2A | 5/9 Secondary reference Henry Technologies, Inc. |
| 8005-002 | 3/9 Design control — primary reference Henry Technologies, Inc. |
NSN 6680-00-735-2186 is a Indicator,sight,liquid, 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): 4920-00-977-1575. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-00-735-2186: Overall Height: 1.750 INCHES NOMINAL IN; Width Across Flats: 1.688 INCHES NOMINAL IN; End Connection Type: UNABLE TO DECODE; Style Designator: BULLS EYE W/CAP. 5 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.