The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 3140 OVERALL, head_style: CONCAVE, stem_style: DOUBLE GROOVED, head_height: 0.1690 INCHES NOMINAL IN, neck_radius: 0.5000 INCHES NOMINAL IN, stem_length: 5.7500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-271-9073, 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.
| material | STEEL COMP 3140 OVERALL |
| head_style | CONCAVE |
| stem_style | DOUBLE GROOVED |
| head_height | 0.1690 INCHES NOMINAL IN |
| neck_radius | 0.5000 INCHES NOMINAL IN |
| stem_length | 5.7500 INCHES NOMINAL IN |
| stem_diameter | 0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN |
| chamfer_length | 0.0312 INCHES NOMINAL IN |
| outside_diameter | 2.0625 INCHES NOMINAL IN |
| seat_angle_in_deg | 30.0 |
| first_groove_width | 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN |
| second_groove_width | 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN |
| NSN | 2805-00-271-9073 |
| FIRST GROOVE WIDTH | 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN |
| HEAD STYLE | CONCAVE |
| STEM LENGTH | 5.7500 INCHES NOMINAL IN |
| DISTANCE FROM FIRST GROOVE TO STEM END | 0.2812 INCHES NOMINAL IN |
| FIRST GROOVE DIAMETER | 0.3010 INCHES MINIMUM AND 0.3070 INCHES MAXIMUM IN |
| CHAMFER LENGTH | 0.0312 INCHES NOMINAL IN |
| METALLIC HARDNESS RATING AND LOCATION | 37.0 ROCKWELL C NOMINAL TIP |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 3140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 3140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| FSC APPLICATION DATA | GASOLINE ENGINE |
| CARBON RELIEF GROOVE | NOT INCLUDED |