The Screw,adjusting,valve Tappet, cataloged under National Stock Number 2815-00-353-8359, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-353-8359 |
| Primary Part Number | 3303271 |
| Item Name | Screw,adjusting,valve Tappet |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| End Length | 0.600 INCHES NOMINAL IN |
| Thread Series | UN |
| Concentric Hole Depth | 1.780 INCHES NOMINAL IN |
| First End Thread Length | 0.908 INCHES NOMINAL IN |
| Style Designator | SPHERICAL HEAD, DOUBLE THREAD, CONCENTRIC HOLE |
| End Largest Diameter | 0.746 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Slot Depth | 0.176 INCHES NOMINAL IN |
| Thread Size | 11/16-16 |
| Concentric Hole Diameter | 0.125 INCHES NOMINAL IN |
| End Spherical Radius | 0.370 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.125 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Material | STEEL |
| Second End Thread Length | 0.890 INCHES NOMINAL IN |
| Slot Width | 0.090 INCHES NOMINAL IN |
| Smallest Diameter | 0.624 INCHES NOMINAL 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 |
|---|---|
| 3303271 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3303271 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 2815-00-353-8359 is a Screw,adjusting,valve Tappet, manufactured by Hatch & Kirk, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-353-8359 has 1 manufacturer part number on file: 3303271 (Hatch & Kirk, Inc.).
Key specifications for 3303271: End Length: 0.600 INCHES NOMINAL IN; Thread Series: UN; Concentric Hole Depth: 1.780 INCHES NOMINAL IN; First End Thread Length: 0.908 INCHES NOMINAL IN. 18 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.