CONE AND ROLLERS,TAPERED ROLLER. Key specifications include material: STEEL OVERALL, cone_width: 2.3438 INCHES NOMINAL IN, bore_diameter: 3.1875 INCHES NOMINAL IN, style_designator: NORMAL ANGLE, cone_corner_radius: 0.0620 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA CLASS 2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-0379, 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 |
| cone_width | 2.3438 INCHES NOMINAL IN |
| bore_diameter | 3.1875 INCHES NOMINAL IN |
| style_designator | NORMAL ANGLE |
| cone_corner_radius | 0.0620 INCHES NOMINAL IN |
| standard_tolerance_designation | AFBMA CLASS 2 |
| NSN | 5310-00-012-0379 |
| NONDEFINITIVE SPEC/STD DATA | 1 STYLE AND A CLASS |
| MATERIAL | STEEL OVERALL |
| STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| OUTSIDE DIAMETER | 0.575 INCHES NOMINAL IN |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.319 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN |
| MATERIAL THICKNESS | 0.056 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD ALL MATERIAL RESPONSES OVERALL |