3-56326-501: BOLT,CLOSE TOLERANCE.
The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8630 OR STEEL COMP 4130 OVERALL, head_style: HEXAGON, grip_length: 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5306-01-379-1480, 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 8630 OR STEEL COMP 4130 OVERALL |
| head_style | HEXAGON |
| grip_length | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| head_height | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| thread_length | 0.320 INCHES NOMINAL IN |
| fastener_length | 1.120 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| end_item_identification | B-52H |
| nominal_thread_diameter | 0.250 INCHES IN |
| NSN | 5306-01-379-1480 |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.120 INCHES NOMINAL IN |
| THREAD LENGTH | 0.320 INCHES NOMINAL IN |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN |
| CRITICALITY CODE JUSTIFICATION | ANEE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| GRIP LENGTH | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
No substitute or cross-reference records for this part.