The Tachometer,mechanical,fixed Moun, cataloged under National Stock Number 6680-01-481-5645, 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 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-481-5645 |
| Primary Part Number | 450643 |
| Item Name | Tachometer,mechanical,fixed Moun |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company |
| Status | ACTIVE |
| Dial Quantity | 1 |
| Pointer Quantity | 1 |
| Mounting Feature Type | FLUSH |
| Mounting Type | PANEL |
| 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 |
|---|---|
| 450643 PRIMARY | Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA) |
NSN 6680-01-481-5645 is a Tachometer,mechanical,fixed Moun, manufactured by Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-481-5645 has 1 manufacturer part number on file: 450643 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company).
Key specifications for 450643: Dial Quantity: 1; Pointer Quantity: 1; Mounting Feature Type: FLUSH; End Item Identification: L21B SUPER PIPER CUB ACFT. 4 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.