The Valve,poppet,engine, cataloged under National Stock Number 2815-00-899-8334, 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 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-899-8334 |
| Primary Part Number | 10889836 |
| 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 | 0.4344 INCHES MINIMUM AND 0.4352 INCHES MAXIMUM IN |
| Head Height | 0.1150 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN |
| Stem Length | 6.0700 INCHES MINIMUM AND 6.0760 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0300 INCHES NOMINAL IN |
| Neck Radius | 0.7500 INCHES NOMINAL IN |
| Groove Diameter | 0.3590 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 32.0 ROCKWELL C MAXIMUM HEAD |
| Metallic Hardness Rating and Location | 32.0 ROCKWELL C MAXIMUM STEM |
| Metallic Hardness Rating and Location | 67.0 SHORE SCLEROSCOPE MAXIMUM TIP |
| Distance From Groove to Stem End | 0.5150 INCHES NOMINAL IN |
| Outside Diameter | 1.7510 INCHES MINIMUM AND 1.7610 INCHES MAXIMUM IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.1320 INCHES MINIMUM AND 0.1420 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 |
NSN 2815-00-899-8334 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 2815-00-899-8334 has 2 manufacturer part numbers on file: 10889836 (Renk America Llc Div Renk America), 10889836 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10889836: Stem Diameter: 0.4344 INCHES MINIMUM AND 0.4352 INCHES MAXIMUM IN; Head Height: 0.1150 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN; Stem Length: 6.0700 INCHES MINIMUM AND 6.0760 INCHES MAXIMUM IN; Seat Angle in Deg: 45.0. 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.