The EXPANDER,PISTON RING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 1.750 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.750 INCHES NOMINAL IN, overall_length: 2.250 INCHES NOMINAL IN, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-393-0549, 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 OVERALL |
| shank_length | 1.750 INCHES NOMINAL IN |
| thread_class | 2A A |
| thread_length | 0.750 INCHES NOMINAL IN |
| overall_length | 2.250 INCHES NOMINAL IN |
| hardness_rating | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| style_designator | ROUND, CLOSED |
| thread_direction | RIGHT-HAND |
| surface_treatment | OXIDE OVERALL |
| eye_stock_diameter | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| eye_inside_diameter | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.250 INCHES IN |
| NSN | 5120-00-393-0549 |
| RING DIAMETER ACCOMMODATED | 1.125 INCHES NOMINAL IN |