7058668: VALVE,POPPET,ENGINE.
The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: CONCAVE, stem_style: GROOVED, head_height: 0.2080 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM IN, neck_radius: 0.5000 INCHES NOMINAL IN, stem_length: 5.3495 INCHES MINIMUM AND 5.3735 INCHES MAXIMUM IN, groove_width: 0.3150 INCHES MINIMUM AND 0.3250 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 2805-00-705-8668, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| head_style | CONCAVE |
| stem_style | GROOVED |
| head_height | 0.2080 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM IN |
| neck_radius | 0.5000 INCHES NOMINAL IN |
| stem_length | 5.3495 INCHES MINIMUM AND 5.3735 INCHES MAXIMUM IN |
| groove_width | 0.3150 INCHES MINIMUM AND 0.3250 INCHES MAXIMUM IN |
| stem_diameter | 0.4337 INCHES MINIMUM AND 0.4345 INCHES MAXIMUM IN |
| chamfer_length | 0.0150 INCHES NOMINAL IN |
| groove_diameter | 0.3740 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN |
| outside_diameter | 1.8950 INCHES MINIMUM AND 1.9050 INCHES MAXIMUM IN |
| seat_angle_in_deg | 45.0 |
| carbon_relief_groove | NOT INCLUDED |
| NSN | 2805-00-705-8668 |
| STEM DIAMETER | 0.4337 INCHES MINIMUM AND 0.4345 INCHES MAXIMUM IN |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| HEAD HEIGHT | 0.2080 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM IN |
| STEM LENGTH | 5.3495 INCHES MINIMUM AND 5.3735 INCHES MAXIMUM IN |
| SEAT ANGLE IN DEG | 45.0 |
| CHAMFER LENGTH | 0.0150 INCHES NOMINAL IN |
| NECK RADIUS | 0.5000 INCHES NOMINAL IN |
| GROOVE DIAMETER | 0.3740 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN |
| METALLIC HARDNESS RATING AND LOCATION | 40.0 ROCKWELL C MAXIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 30.0 ROCKWELL C MINIMUM STEM |