The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-264-7965, 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 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-264-7965 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Furnished Data | LIQUID LEVEL |
| Data Furnishing Method | CLEAR WINDOW AND INSCRIBED FULL-ADD |
| Style Designator | HIGH PRESSURE, FLAT GLASS |
| Material Document and Classification | QQ-A-591 FED SPEC 1ST MATERIAL RESPONSE AND MIL-P-5425 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-R-3065 MIL SPEC 3RD MATERIAL RESPONSE |
| Maximum Temp Rating | 200.0 FAHRENHEIT DEGF |
| Media for Which Designed | OIL |
| Material | ALUMINUM ALLOY AND PLASTIC ACRYLIC |
| Sight Height | 2.250 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 |
|---|---|
| 2910070 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| M56J | 3/2 Design control — primary reference U.S. Government activity |
| 2910070 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 6680-01-264-7965 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 6680-01-264-7965: Overall Height: 3.250 INCHES NOMINAL IN; Furnished Data: LIQUID LEVEL; Data Furnishing Method: CLEAR WINDOW AND INSCRIBED FULL-ADD; Style Designator: HIGH PRESSURE, FLAT GLASS. 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.