The Valve,poppet,engine, cataloged under National Stock Number 2815-00-423-4398, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-00-423-4398 |
| Primary Part Number | 9160-002 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Distance From Hole Center to Stem End | 0.1870 INCHES NOMINAL IN |
| Head Height | 0.3750 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0310 INCHES NOMINAL IN |
| Neck Radius | 0.3120 INCHES NOMINAL IN |
| Screw Thread Length | 1.0000 INCHES NOMINAL IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 3140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 3140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.0000 INCHES NOMINAL IN |
| Stem Style | THREADED AND DRILLED |
| Head Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Thread Class | 2A A |
| Material | STEEL COMP 3140 OVERALL |
| Thread Size and Series/type Designator | 0.500-20 UNF |
| Hole Diameter | 0.0930 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 |
|---|---|
| 9160-002 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9160-002 | 5/9 Secondary reference Cooper Machinery Services Llc |
NSN 2815-00-423-4398 is a Valve,poppet,engine, manufactured by Hatch & Kirk, Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-423-4398 has 1 manufacturer part number on file: 9160-002 (Hatch & Kirk, Inc.).
Key specifications for 9160-002: Distance From Hole Center to Stem End: 0.1870 INCHES NOMINAL IN; Head Height: 0.3750 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; Chamfer Length: 0.0310 INCHES NOMINAL IN. 17 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.