54267-4-5: SCREW,SHOULDER.
The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN, thread_length: 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-331-4827, 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 |
| head_style | FLAT COUNTERSUNK |
| thread_class | 3A A |
| head_diameter | 0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| thread_length | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| shoulder_length | 0.201 INCHES MINIMUM AND 0.223 INCHES MAXIMUM FIRST SHOULDER IN |
| special_features | FURNISHED WITH ONE RUBBER O RING |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| shoulder_diameter | 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN |
| NSN | 5305-00-331-4827 |
| FASTENER LENGTH | 0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| SHOULDER LENGTH | 0.201 INCHES MINIMUM AND 0.223 INCHES MAXIMUM FIRST SHOULDER IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 3-52 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SHOULDER DIAMETER | 0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST SHOULDER IN |
| THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATERIAL DOCUMENT AND CLASSIFICATION | 3-52 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |