The Valve,poppet,engine, cataloged under National Stock Number 2815-00-765-9712, 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 20 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 | 2815-00-765-9712 |
| Primary Part Number | 10865299 |
| 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 | 0.4975 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN |
| Head Height | 0.2350 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN |
| Stem Length | 6.2650 INCHES MINIMUM AND 6.2790 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0300 INCHES NOMINAL IN |
| Neck Radius | 1.0000 INCHES NOMINAL IN |
| Groove Diameter | 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 27.0 ROCKWELL C MINIMUM HEAD |
| Metallic Hardness Rating and Location | 27.0 ROCKWELL C MINIMUM STEM |
| Metallic Hardness Rating and Location | 42.0 ROCKWELL C MAXIMUM HEAD |
| Metallic Hardness Rating and Location | 42.0 ROCKWELL C MAXIMUM STEM |
| Metallic Hardness Rating and Location | 42.0 ROCKWELL C MINIMUM TIP |
| Metallic Hardness Rating and Location | 48.0 ROCKWELL C MINIMUM SEAT FACE |
| Distance From Groove to Stem End | 0.2810 INCHES NOMINAL IN |
| Outside Diameter | 2.4950 INCHES MINIMUM AND 2.5050 INCHES MAXIMUM IN |
| Stem Style | GROOVED |
| Head Style | CONCAVE |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.1560 INCHES MINIMUM AND 0.1660 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 2815-00-765-9712 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 2815-00-765-9712 has 2 manufacturer part numbers on file: 10865299 (U S Army Tank Automotive Command Amsta-Im-Mm), 10865299 (Renk America Llc Div Renk America).
Key specifications for 10865299: Stem Diameter: 0.4975 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN; Head Height: 0.2350 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN; Stem Length: 6.2650 INCHES MINIMUM AND 6.2790 INCHES MAXIMUM IN; Seat Angle in Deg: 45.0. 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.