The Counter,rotating, cataloged under National Stock Number 6680-01-366-2027, 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 Naval Sea Systems Command. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-366-2027 |
| Primary Part Number | 6181438 |
| Item Name | Counter,rotating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Numeral Display Method | DRUM |
| Register Quantity | 1 |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Mounting Arrangement Style | FOUR POSITION SQUARE/RECTANGLE |
| Register Function | UNABLE TO DECODE |
| Overall Diameter | 3.855 INCHES NOMINAL IN |
| Figure Quantity Per Register | UNABLE TO DECODE |
| Style Designator | CYLINDRICAL CASED |
| Longest Vertical Distance Between Mounting Centers | 1.200 INCHES NOMINAL IN |
| Actuating Device Location | RIGHT SIDE SINGLE REGISTER SINGLE TIER |
| Shaft Revolutions Per Count | UNABLE TO DECODE |
| Figure Height | UNABLE TO DECODE |
| Mounting Type for Which Designed | UNABLE TO DECODE |
| Shaft Rotation Direction and Maximum Speed in RPM | UNABLE TO DECODE |
| Longest Horizontal Distance Between Mounting Centers | 1.344 INCHES NOMINAL 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 |
|---|---|
| 6181438 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6181438 | 5/1 Secondary reference General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| 6680PL0960661 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 6181438 | 5/1 Secondary reference Raytheon Company |
NSN 6680-01-366-2027 is a Counter,rotating, manufactured by Naval Sea Systems Command, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-366-2027 has 1 manufacturer part number on file: 6181438 (Naval Sea Systems Command).
Key specifications for 6181438: Numeral Display Method: DRUM; Register Quantity: 1; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Mounting Arrangement Style: FOUR POSITION SQUARE/RECTANGLE. 15 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.
NSN 6680-01-366-2027 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.