51B223-54: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP E4340 OR STEEL COMP 4340 OVERALL, head_style: ROUND, grip_length: 3.360 INCHES MINIMUM AND 3.390 INCHES MAXIMUM IN, head_height: 0.162 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-045-2467, 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 8740 OR STEEL COMP E4340 OR STEEL COMP 4340 OVERALL |
| head_style | ROUND |
| grip_length | 3.360 INCHES MINIMUM AND 3.390 INCHES MAXIMUM IN |
| head_height | 0.162 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| head_diameter | 0.568 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN |
| thread_length | 0.345 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 3.735 INCHES MINIMUM AND 3.782 INCHES MAXIMUM IN |
| hardness_rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| NSN | 5305-01-045-2467 |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN |
| FASTENER LENGTH | 3.735 INCHES MINIMUM AND 3.782 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.345 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | ROUND |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIFICATION/STANDARD DATA | 86823-51B223 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| GRIP LENGTH | 3.360 INCHES MINIMUM AND 3.390 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.