The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-127-4045, 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 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-127-4045 |
| 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 |
| Surface Treatment Document and Classification | S247-5 MFR REF SINGLE TREATMENT RESPONSE |
| Data Furnishing Method | INSCRIBED FULL-ADD |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | DOUBLE-MOUNT, SHIELDED, SIDE OPENING |
| Material Document and Classification | S247-5 MFR REF SINGLE MATERIAL RESPONSE |
| Distance Between Mounting Facility Centers | 2.750 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Media for Which Designed | OIL |
| Material | ALUMINUM ALLOY |
| Sight Height | 1.750 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 |
|---|---|
| S247-5 | 3/2 Design control — primary reference U.S. Government activity |
| 12707395 | 5/9 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 421-517-9604 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-01-127-4045 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): 5999-01-426-2921. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-01-127-4045: Overall Height: 3.250 INCHES NOMINAL IN; Furnished Data: LIQUID LEVEL; Surface Treatment Document and Classification: S247-5 MFR REF SINGLE TREATMENT RESPONSE; Data Furnishing Method: INSCRIBED FULL-ADD. 11 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.