7008421: LOCK,VALVE SPRING RETAINER.
The LOCK,VALVE SPRING RETAINER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740, overall_height: 0.558 INCHES NOMINAL IN, thread_provision: UNTHREADED, first_ridge_radius: 0.016 INCHES NOMINAL IN, fsc_application_data: EXHAUST VALVE,GASOLINE ENGINE, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.
Government catalog under NSN 2805-00-700-6839, 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 8740 |
| overall_height | 0.558 INCHES NOMINAL IN |
| thread_provision | UNTHREADED |
| first_ridge_radius | 0.016 INCHES NOMINAL IN |
| fsc_application_data | EXHAUST VALVE,GASOLINE ENGINE |
| casehardening_indicator | NOT CASEHARDENED |
| largest_inside_diameter | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| minimum_inside_diameter | 0.546 INCHES IN |
| largest_outside_diameter | 0.8414 INCHES NOMINAL IN |
| metallic_hardness_rating | 46.0 MINIMUM ROCKWELL C AND 50.0 MAXIMUM ROCKWELL C |
| inside_diameter_top_radius | 0.020 INCHES NOMINAL IN |
| inside_diameter_bottom_radius | 0.020 INCHES NOMINAL IN |
| NSN | 2805-00-700-6839 |
| OVERALL HEIGHT | 0.558 INCHES NOMINAL IN |
| FSC APPLICATION DATA | EXHAUST VALVE,GASOLINE ENGINE |
| FIRST RIDGE RADIUS | 0.016 INCHES NOMINAL IN |
| MINIMUM INSIDE DIAMETER | 0.546 INCHES IN |
| INSIDE DIAMETER TOP RADIUS | 0.020 INCHES NOMINAL IN |
| THREAD PROVISION | UNTHREADED |
| LARGEST OUTSIDE DIAMETER | 0.8414 INCHES NOMINAL IN |
| LARGEST INSIDE DIAMETER | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,FS8740 FED SPEC SINGLE MATERIAL RESPONSE |
| OUTSIDE INCLUDED ANGLE IN DEG | 11.98 |
No substitute or cross-reference records for this part.