The Valve,poppet,engine, cataloged under National Stock Number 2815-00-247-3232, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Lister Petter Ltd. Government technical data includes 15 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 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 | 2815-00-247-3232 |
| Primary Part Number | 201-50891 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Lister Petter Ltd |
| Status | ACTIVE |
| Stem Diameter | 0.3500 INCHES NOMINAL IN |
| Head Height | 0.1400 INCHES NOMINAL IN |
| Stem Length | 4.5910 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0156 INCHES NOMINAL IN |
| Neck Radius | 0.4687 INCHES NOMINAL IN |
| Groove Diameter | 0.2810 INCHES NOMINAL IN |
| Distance From Groove to Stem End | 0.1520 INCHES NOMINAL IN |
| Outside Diameter | 1.3160 INCHES NOMINAL IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Material | STEEL OVERALL |
| Groove Width | 0.0938 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 |
|---|---|
| 201-50891 PRIMARY | Lister Petter Ltd (GBR) |
NSN 2815-00-247-3232 is a Valve,poppet,engine, manufactured by Lister Petter Ltd, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-247-3232 has 1 manufacturer part number on file: 201-50891 (Lister Petter Ltd).
1 possible match (shared part number, not a government interchangeability claim): 2990-00-689-3305. Verify interchangeability with system specifications before substitution.
Key specifications for 201-50891: Stem Diameter: 0.3500 INCHES NOMINAL IN; Head Height: 0.1400 INCHES NOMINAL IN; Stem Length: 4.5910 INCHES NOMINAL IN; Seat Angle in Deg: 45.0. 15 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.