The Counter,rotating, cataloged under National Stock Number 6680-01-028-6791, 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 Eaton Corp Count Control/systems Div. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6680-01-028-6791 |
| Primary Part Number | 5-Y-33441-400-R-CL |
| Item Name | Counter,rotating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Eaton Corp Count Control/systems Div |
| Status | ACTIVE |
| Numeral Display Method | DRUM |
| Register Quantity | 1 |
| Mounting Facility Type and Quantity | 4 SLOT |
| Mounting Arrangement Style | FOUR POSITION SQUARE/RECTANGLE |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Figure Quantity Per Register | UNABLE TO DECODE |
| Style Designator | SQUARE/RECTANGULAR CASED |
| Longest Vertical Distance Between Mounting Centers | 1.202 INCHES NOMINAL IN |
| Actuating Device Location | RIGHT SIDE SINGLE REGISTER SINGLE TIER |
| Shaft Revolutions Per Count | UNABLE TO DECODE |
| Figure Height | UNABLE TO DECODE |
| Shaft Length | 0.625 INCHES NOMINAL IN |
| Maximum Count Rate | UNABLE TO DECODE |
| Color | WHITE SECOND TEMP COEFFICIENT |
| Color | BLACK THIRD TEMP COEFFICIENT |
| Mounting Type for Which Designed | UNABLE TO DECODE |
| Register Reset Method | UNABLE TO DECODE |
| Longest Horizontal Distance Between Mounting Centers | 1.344 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 |
|---|---|
| 5-Y-33441-400-R-CL PRIMARY | Eaton Corp Count Control/systems Div (USA) |
| Reference | Meaning |
|---|---|
| 5-Y-7-1-R-CL | 5/1 Secondary reference Eaton Corp Count Control/systems Div |
NSN 6680-01-028-6791 is a Counter,rotating, manufactured by Eaton Corp Count Control/systems Div, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-028-6791 has 1 manufacturer part number on file: 5-Y-33441-400-R-CL (Eaton Corp Count Control/systems Div).
Key specifications for 5-Y-33441-400-R-CL: Numeral Display Method: DRUM; Register Quantity: 1; Mounting Facility Type and Quantity: 4 SLOT; Overall Height: 1.438 INCHES NOMINAL IN. 18 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.