The Block,vertical Drive, cataloged under National Stock Number 2815-01-558-7873, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Maysteel Products Corp Po Box 1240 Menomonee Falls Wi 53052. Government technical data includes 3 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 | 2815-01-558-7873 |
| Primary Part Number | 012378 |
| Item Name | Block,vertical Drive |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Maysteel Products Corp Po Box 1240 Menomonee Falls Wi 53052 |
| Status | ACTIVE |
| Surface Treatment | ZINC |
| Material | STEEL |
| Thread Size and Series/type Designator | 0.250-20 UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 012378 PRIMARY | Maysteel Products Corp Po Box 1240 Menomonee Falls Wi 53052 (USA) |
NSN 2815-01-558-7873 is a Block,vertical Drive, manufactured by Maysteel Products Corp Po Box 1240 Menomonee Falls Wi 53052, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-558-7873 has 1 manufacturer part number on file: 012378 (Maysteel Products Corp Po Box 1240 Menomonee Falls Wi 53052).
Key specifications for 012378: Overall Height: 0.500 INCHES NOMINAL IN; Overall Length: 0.630 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN; Surface Treatment: ZINC. 3 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.