The Drive Unit,tachometer, cataloged under National Stock Number 6680-01-272-9204, 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 Windward Enterprises, Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-272-9204 |
| Primary Part Number | 20511338 |
| Item Name | Drive Unit,tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Windward Enterprises, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | O/A LG 2.840 IN.,O/A H 10.060 IN. NOMINAL; O/A W 1.510 IN. 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 |
|---|---|
| 20511338 PRIMARY | Windward Enterprises, Llc (USA) |
| Reference | Meaning |
|---|---|
| 6680012729204 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 20511338 | 5/9 Secondary reference Harsco Corporation Dba B M Y Wyne Wheled Vehicles Div |
| 12258931-4 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 20511338 | 5/9 Secondary reference Military Trucks & Parts, Inc. |
| 12432434 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 6680-01-272-9204 is a Drive Unit,tachometer, manufactured by Windward Enterprises, Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-272-9204 has 1 manufacturer part number on file: 20511338 (Windward Enterprises, Llc).
Key specifications for 20511338: General Characteristics Item Description: O/A LG 2.840 IN.,O/A H 10.060 IN. NOMINAL; O/A W 1.510 IN. IN. 1 specification is 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.