202160: VALVE,POPPET,ENGINE.
The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: CONCAVE, stem_style: DOUBLE GROOVED, head_height: 0.1875 INCHES NOMINAL IN, neck_radius: 1.0000 INCHES NOMINAL IN, stem_length: 4.6295 INCHES MINIMUM AND 4.6395 INCHES MAXIMUM IN, stem_diameter: 0.5282 INCHES MINIMUM AND 0.5287 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 2805-00-700-6840, 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 | DOUBLE GROOVED |
| head_height | 0.1875 INCHES NOMINAL IN |
| neck_radius | 1.0000 INCHES NOMINAL IN |
| stem_length | 4.6295 INCHES MINIMUM AND 4.6395 INCHES MAXIMUM IN |
| stem_diameter | 0.5282 INCHES MINIMUM AND 0.5287 INCHES MAXIMUM IN |
| chamfer_length | 0.0200 INCHES NOMINAL IN |
| outside_diameter | 2.3750 INCHES NOMINAL IN |
| seat_angle_in_deg | 44.0 |
| first_groove_width | 0.3160 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN |
| second_groove_width | 0.0520 INCHES NOMINAL IN |
| carbon_relief_groove | NOT INCLUDED |
| NSN | 2805-00-700-6840 |
| STEM DIAMETER | 0.5282 INCHES MINIMUM AND 0.5287 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.1875 INCHES NOMINAL IN |
| SECOND GROOVE WIDTH | 0.0520 INCHES NOMINAL IN |
| STEM LENGTH | 4.6295 INCHES MINIMUM AND 4.6395 INCHES MAXIMUM IN |
| SEAT ANGLE IN DEG | 44.0 |
| CHAMFER LENGTH | 0.0200 INCHES NOMINAL IN |
| NECK RADIUS | 1.0000 INCHES NOMINAL IN |
| METALLIC HARDNESS RATING AND LOCATION | 45.0 ROCKWELL C MINIMUM TIP |
| METALLIC HARDNESS RATING AND LOCATION | 50.0 ROCKWELL C MAXIMUM TIP |
| OUTSIDE DIAMETER | 2.3750 INCHES NOMINAL IN |