The Valve,poppet,engine, cataloged under National Stock Number 2815-01-038-5281, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2815-01-038-5281 |
| Primary Part Number | 12504317 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Stem Diameter | 0.3400 INCHES NOMINAL IN |
| Head Height | 0.1700 INCHES NOMINAL IN |
| Stem Length | 4.3750 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0320 INCHES NOMINAL IN |
| Neck Radius | 0.3130 INCHES NOMINAL IN |
| Minor Outside Diameter | 0.2480 INCHES NOMINAL IN |
| Outside Diameter | 1.3130 INCHES NOMINAL IN |
| Stem Style | TAPERED |
| Taper Angle in Deg | 60.0 |
| Head Style | FLAT |
| Distance From Minor Diameter to Stem End | 0.4000 INCHES NOMINAL IN |
| Carbon Relief Groove | NOT INCLUDED |
| Minor Diameter Length | 0.2100 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 44.0 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| VA-1999 | Trw Automotive Inc. Dba Trw Automotive North America Tech Ctr Div Trw Automotive Us Llc - Engine Components (USA) |
| 12504317 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 110-1871 | 3/9 Design control — primary reference Cummins Power Generation Inc. |
NSN 2815-01-038-5281 is a Valve,poppet,engine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-038-5281 has 2 manufacturer part numbers on file: VA-1999 (Trw Automotive Inc. Dba Trw Automotive North America Tech Ctr Div Trw Automotive Us Llc - Engine Components), 12504317 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12504317: Stem Diameter: 0.3400 INCHES NOMINAL IN; Head Height: 0.1700 INCHES NOMINAL IN; Stem Length: 4.3750 INCHES NOMINAL IN; Seat Angle in Deg: 45.0. 16 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.