The Guide,piston Oil Seal Saddle, cataloged under National Stock Number 2815-00-353-8281, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2815-00-353-8281 |
| Primary Part Number | 3242893 |
| Item Name | Guide,piston Oil Seal Saddle |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM,2.880 IN. OD,1.698 IN. HIGH,2.560 IN. ID TOP,1.755 IN. ID AT BOTTOM,FLANGE 3.371 IN. OD,0.205 THICK 0.450 IN. FROM THE TOP END W/GROOVE 0.100 IN. RADIUS BY 0.100 IN. DEEP 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 |
|---|---|
| 3242893 PRIMARY | Hatch & Kirk, Inc. (USA) |
| 3240688 PRIMARY | Hatch & Kirk, Inc. (USA) |
| 3242895 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3240688 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 3242893 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 3242895 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 2815-00-353-8281 is a Guide,piston Oil Seal Saddle, manufactured by Hatch & Kirk, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-353-8281 has 3 manufacturer part numbers on file: 3242893 (Hatch & Kirk, Inc.), 3240688 (Hatch & Kirk, Inc.), 3242895 (Hatch & Kirk, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-595-2312. Verify interchangeability with system specifications before substitution.
Key specifications for 3242893: General Characteristics Item Description: ALUMINUM,2.880 IN. OD,1.698 IN. HIGH,2.560 IN. ID TOP,1.755 IN. ID AT BOTTOM,FLANGE 3.371 IN. OD,0.205 THICK 0.450 IN. FROM THE TOP END W/GROOVE 0.100 IN. RADIUS BY 0.100 IN. DEEP IN; End Item Identification: DIESEL ENGINE,ELECTRO-MOTIVE MODEL 16-278A A. 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.