The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-048-6891, 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. The manufacturer of record is Clayton Manufacturing Company. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-048-6891 |
| Primary Part Number | 16875 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Clayton Manufacturing Company |
| Status | ACTIVE |
| Furnished Data | LIQUID LEVEL |
| Data Furnishing Method | CLEAR WINDOW |
| Fluid Capacity | 5.000 OUNCES OZ |
| End Connection Type | UNABLE TO DECODE |
| Style Designator | HIGH PRESSURE, FLAT GLASS |
| Bolt Hole Diameter | UNABLE TO DECODE |
| Nominal Thread Size | UNABLE TO DECODE |
| Maximum Temp Rating | 400.0 FAHRENHEIT DEGF |
| Bolt Hole Quantity | UNABLE TO DECODE |
| Media for Which Designed | STEAM |
| Maximum Working Pressure | 1867.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Material | STEEL |
| Thread Series Designator | UNABLE TO DECODE |
| Sight Height | 10.250 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 |
| Part Number | Manufacturer |
|---|---|
| 16875 | Clayton Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 1 RL 7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6680-01-048-6891 is a Indicator,sight,liquid, manufactured by Clayton Manufacturing Company, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-048-6891 has 1 manufacturer part number on file: 16875 (Clayton Manufacturing Company).
2 possible matches (shared part number, not a government interchangeability claim): 7930-01-418-1442, 3130-01-595-7346. Verify interchangeability with system specifications before substitution.
Key specifications for 16875: Overall Height: 11.750 INCHES NOMINAL IN; Furnished Data: LIQUID LEVEL; Data Furnishing Method: CLEAR WINDOW; Fluid Capacity: 5.000 OUNCES OZ. 14 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.