The Indicator,sight,liquid, cataloged under National Stock Number 6680-01-428-6480, 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 Clark-Reliance Llc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-428-6480 |
| Primary Part Number | EMS-2858 |
| Item Name | Indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Clark-Reliance Llc |
| Status | ACTIVE |
| Furnished Data | LIQUID LEVEL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| EMS-2858 PRIMARY | Clark-Reliance Llc (USA) |
| 53A TYP1 FLANGED 160TP CC24INCH PRIMARY | Ernst Flow Industries Llc Div Ernst Flow Industries (USA) |
| Reference | Meaning |
|---|---|
| FIG. E-53AF TYPE 1 NON AUTO | 3/9 Design control — primary reference Ernst Flow Industries |
NSN 6680-01-428-6480 is a Indicator,sight,liquid, manufactured by Clark-Reliance Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-428-6480 has 2 manufacturer part numbers on file: EMS-2858 (Clark-Reliance Llc), 53A TYP1 FLANGED 160TP CC24INCH (Ernst Flow Industries Llc Div Ernst Flow Industries).
Key specifications for EMS-2858: Furnished Data: LIQUID LEVEL; Data Furnishing Method: CLEAR WINDOW; Special Features: TYPE 1 NON-AUTOMATIC;POLYCARBONATE TUBE;DIRECT READING;24 IN. CENTER. IN; End Item Identification: SPRUANCE CLASS DD(963). 3 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.