The Counter,rotating, cataloged under National Stock Number 6680-01-321-0069, 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. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-321-0069 |
| Item Name | Counter,rotating |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Numeral Display Method | DRUM |
| Shaft Diameter | 0.0632 INCHES MINIMUM AND 0.0636 INCHES MAXIMUM IN |
| Overall Diameter | 0.667 INCHES MINIMUM AND 0.677 INCHES MAXIMUM IN |
| Style Designator | UNENCLOSED CYLINDRICAL |
| Shaft Length | 0.176 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 201216-4 | 1/2 Source control — Government-approved source U.S. Government activity |
| DC-4023 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6680-01-321-0069 is a Counter,rotating, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5930-01-459-6884. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-01-321-0069: Numeral Display Method: DRUM; Shaft Diameter: 0.0632 INCHES MINIMUM AND 0.0636 INCHES MAXIMUM IN; Overall Diameter: 0.667 INCHES MINIMUM AND 0.677 INCHES MAXIMUM IN; Style Designator: UNENCLOSED CYLINDRICAL. 5 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.