The Speed Sensor,diesel Engine, cataloged under National Stock Number 2815-01-644-0821, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. 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 | 2815-01-644-0821 |
| Primary Part Number | 1020553 |
| Item Name | Speed Sensor,diesel Engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| 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 |
|---|---|
| 1020553 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 2815-01-644-0821 is a Speed Sensor,diesel Engine, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-644-0821 has 1 manufacturer part number on file: 1020553 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for 1020553: Special Features: 5/8-18 SINGLE OUTPUT, DEUTSCH CONNECTOR; Part Name Assigned by Controlling Agency: SENSOR, ENGINE SPEED; End Item Identification: SYSTEM, CONTROL EC300. 0 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.