The Meter,fluid Flow,electromagnetic, cataloged under National Stock Number 6680-01-658-5168, 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 Star Marketing (wi), Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-658-5168 |
| Primary Part Number | EX81B-40 |
| Item Name | Meter,fluid Flow,electromagnetic |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Star Marketing (wi), Llc |
| Status | ACTIVE |
| Actuation Method | ELECTROMAGNETIC |
| Operating Voltage Rating in Volts | 12.0 DC MINIMUM AND 25.0 DC MAXIMUM |
| Straightening Vane | NOT PROVIDED |
| Power Source | EXTERNAL |
| Printing Mechanism | NOT PROVIDED |
| Reset Feature | NOT PROVIDED |
| Installation Location | ANY ACCEPTABLE |
| Material | ALUMINUM BODY |
| 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 |
|---|---|
| EX81B-40 PRIMARY | Star Marketing (wi), Llc (USA) |
| Reference | Meaning |
|---|---|
| 4081645 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 6680-01-658-5168 is a Meter,fluid Flow,electromagnetic, manufactured by Star Marketing (wi), Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-658-5168 has 1 manufacturer part number on file: EX81B-40 (Star Marketing (wi), Llc).
Key specifications for EX81B-40: Actuation Method: ELECTROMAGNETIC; Operating Voltage Rating in Volts: 12.0 DC MINIMUM AND 25.0 DC MAXIMUM; Straightening Vane: NOT PROVIDED; Power Source: EXTERNAL. 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.