The Rotor,indicator,sight,liquid, cataloged under National Stock Number 6680-01-182-4875, 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 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-182-4875 |
| Primary Part Number | EMS-4913 |
| Item Name | Rotor,indicator,sight,liquid |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Clark-Reliance Llc |
| Status | ACTIVE |
| General Characteristics Item Description | 1.750 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| EMS-4913 PRIMARY | Clark-Reliance Llc (USA) |
| Reference | Meaning |
|---|---|
| E-57-3BZ 0.375IN/IRPT7 | 3/9 Design control — primary reference Ernst Flow Industries |
| 663-E-57-3 0.375IN PIECE 2 | 5/9 Secondary reference Ernst Flow Industries |
| E-57-3 0.375IN PIECE 2 | 5/9 Secondary reference Ernst Flow Industries |
NSN 6680-01-182-4875 is a Rotor,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 6680-01-182-4875 has 1 manufacturer part number on file: EMS-4913 (Clark-Reliance Llc).
Key specifications for EMS-4913: General Characteristics Item Description: 1.750 IN. DIA IN; End Item Identification: ERNST GAGE CO,FLOW RATE METER. 1 specification is 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.
NSN 6680-01-182-4875 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.