The RING,PISTON is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1210 INCHES NOMINAL IN, radial_wall_thickness: 0.1350 INCHES NOMINAL IN, standard_bore_diameter: 3.938 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-188-4185, 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 | RUBBER NATURAL OVERALL |
| ring_style | CONCENTRIC |
| joint_style | VERTICAL JOINT |
| overall_width | 0.1210 INCHES NOMINAL IN |
| radial_wall_thickness | 0.1350 INCHES NOMINAL IN |
| standard_bore_diameter | 3.938 INCHES IN |
| cross-sectional_shape_style | PLAIN RECTANGULAR, STRAIGHT FACE |
| NSN | 5310-00-188-4185 |
| CENTER HOLE SHAPE STYLE | ROUND |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1010 OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| PERIPHERAL SHAPE STYLE | ROUND |
| THICKNESS | 0.017 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN |
| OVERALL DIAMETER | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN |
| HARDNESS RATING | 85.5 ROCKWELL B NOMINAL |