517458: VALVE,POPPET,ENGINE.
The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: CONCAVE, stem_style: GROOVED, head_height: 0.2650 INCHES MINIMUM AND 0.2750 INCHES MAXIMUM IN, neck_radius: 1.0000 INCHES NOMINAL IN, stem_length: 6.6260 INCHES MINIMUM AND 6.6410 INCHES MAXIMUM IN, groove_width: 0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 2805-00-734-6482, 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 | 0.2650 INCHES MINIMUM AND 0.2750 INCHES MAXIMUM IN |
| neck_radius | 1.0000 INCHES NOMINAL IN |
| stem_length | 6.6260 INCHES MINIMUM AND 6.6410 INCHES MAXIMUM IN |
| groove_width | 0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN |
| stem_diameter | 0.4975 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN |
| chamfer_length | 0.0300 INCHES NOMINAL IN |
| groove_diameter | 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN |
| outside_diameter | 2.7450 INCHES MINIMUM AND 2.7550 INCHES MAXIMUM IN |
| seat_angle_in_deg | 45.0 |
| carbon_relief_groove | NOT INCLUDED |
| NSN | 2805-00-734-6482 |
| STEM DIAMETER | 0.4975 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.2650 INCHES MINIMUM AND 0.2750 INCHES MAXIMUM IN |
| STEM LENGTH | 6.6260 INCHES MINIMUM AND 6.6410 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 | 45.0 ROCKWELL C MAXIMUM STEM |
| METALLIC HARDNESS RATING AND LOCATION | 35.0 ROCKWELL C MINIMUM HEAD |
| METALLIC HARDNESS RATING AND LOCATION | 35.0 ROCKWELL C MINIMUM SEAT FACE |