The Valve,poppet,engine, cataloged under National Stock Number 2815-00-288-3458, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is R. H. Sheppard Co., Inc. Dba Sheppard. Government technical data includes 20 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 | 2815-00-288-3458 |
| Primary Part Number | 0160031 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | R. H. Sheppard Co., Inc. Dba Sheppard |
| Status | ACTIVE |
| Stem Diameter | 0.3100 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM IN |
| FSC Application Data | DIESEL ENGINE |
| Head Height | 0.1250 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM IN |
| Stem Length | 5.3403 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0500 INCHES NOMINAL IN |
| Neck Radius | 0.5000 INCHES NOMINAL IN |
| Groove Diameter | 0.2460 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 50.0 ROCKWELL C MINIMUM TIP |
| Metallic Hardness Rating and Location | 25.0 ROCKWELL C MINIMUM HEAD |
| Metallic Hardness Rating and Location | 25.0 ROCKWELL C MINIMUM STEM |
| Metallic Hardness Rating and Location | 35.0 ROCKWELL C MAXIMUM HEAD |
| Metallic Hardness Rating and Location | 35.0 ROCKWELL C MAXIMUM STEM |
| Distance From Groove to Stem End | 0.2500 INCHES NOMINAL IN |
| Outside Diameter | 1.2760 INCHES MINIMUM AND 1.2860 INCHES MAXIMUM IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.0940 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM 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 |
|---|---|
| 0160031 PRIMARY | R. H. Sheppard Co., Inc. Dba Sheppard (USA) |
NSN 2815-00-288-3458 is a Valve,poppet,engine, manufactured by R. H. Sheppard Co., Inc. Dba Sheppard, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-288-3458 has 1 manufacturer part number on file: 0160031 (R. H. Sheppard Co., Inc. Dba Sheppard).
Key specifications for 0160031: Stem Diameter: 0.3100 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM IN; FSC Application Data: DIESEL ENGINE; Head Height: 0.1250 INCHES MINIMUM AND 0.1400 INCHES MAXIMUM IN; Stem Length: 5.3403 INCHES NOMINAL IN. 20 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.