LENS ASSEMBLY,ANTIFOGGING,NIGHT. Key specifications include material: STEEL COMP 4130 SHANK, bore_shape: STRAIGHT, grip_length: 3.500 INCHES MINIMUM AND 3.520 INCHES MAXIMUM IN, bore_diameter: 55.00 MILLIMETERS NOMINAL MM, head_diameter: 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN, overall_width: 21.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-01-315-4163, 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 4130 SHANK |
| bore_shape | STRAIGHT |
| grip_length | 3.500 INCHES MINIMUM AND 3.520 INCHES MAXIMUM IN |
| bore_diameter | 55.00 MILLIMETERS NOMINAL MM |
| head_diameter | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| overall_width | 21.0 MILLIMETERS NOMINAL MM |
| actuation_type | PULL AND PUSH |
| load_direction | RADIAL |
| shank_diameter | 0.7477 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN |
| surface_finish | GROUND |
| detent_quantity | 2 |
| hardness_rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SHANK |
| NSN | 6240-01-315-4163 |