CAP ASSEMBLY,PROTECTIVE,MUFFLER-. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.113 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, nut_diameter: 2.230 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN, thread_class: 2B, mounting_type: FOOT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-018-6318, 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 | COPPER ALLOY OVERALL |
| nut_style | HEXAGON |
| nut_height | 0.113 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| nut_diameter | 2.230 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN |
| thread_class | 2B |
| mounting_type | FOOT |
| nut_thickness | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| thread_series | UNF |
| hardness_rating | 66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM |
| drive_shaft_type | MACHINE KEYWAY |
| operation_method | POWERED |
| thread_direction | RIGHT-HAND |
| NSN | 2990-00-018-6318 |