91253A537: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT TOP ELEVATOR, thread_class: 3A A, head_diameter: 0.531 INCHES NOMINAL IN, thread_length: 0.375 INCHES NOMINAL IN, fastener_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-549-0446, 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 TOP ELEVATOR |
| thread_class | 3A A |
| head_diameter | 0.531 INCHES NOMINAL IN |
| thread_length | 0.375 INCHES NOMINAL IN |
| fastener_length | 0.250 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 82.0 DEGREES NOMINAL |
| internal_drive_style | HEXAGON |
| end_item_identification | NHA TEST SET,AIRCRAFT; CHASSIS ASSEMBLY; TEST SET,COUNTERMEASURES; F-18 E/F FIGHTER AIRCRAFT-FIRST |
| thread_quantity_per_inch | 20 |
| NSN | 5305-01-549-0446 |
| FASTENER LENGTH | 0.250 INCHES NOMINAL IN |
| THREAD LENGTH | 0.375 INCHES NOMINAL IN |
| HEAD STYLE | FLAT TOP ELEVATOR |
| THREAD DIRECTION | RIGHT-HAND |
| COLOR | BLACK OVERALL |
| INTERNAL DRIVE STYLE | HEXAGON |
| COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |
| THREAD CLASS | 3A A |
| END ITEM IDENTIFICATION | NHA TEST SET,AIRCRAFT; CHASSIS ASSEMBLY; TEST SET,COUNTERMEASURES; F-18 E/F FIGHTER AIRCRAFT-FIRST |
| THREAD QUANTITY PER INCH | 20 |
No substitute or cross-reference records for this part.