PARTS KIT,HYDRAULIC BRAKE MASTER. Key specifications include head_style: HEXAGON, head_height: 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MAXIMUM IN, screw_material: STEEL, fastener_length: 1.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-017-5257, 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.
| head_style | HEXAGON |
| head_height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| thread_class | 2A A |
| thread_length | 1.250 INCHES MAXIMUM IN |
| screw_material | STEEL |
| fastener_length | 1.250 INCHES NOMINAL IN |
| hardness_rating | 95.5 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.438 INCHES IN |
| minimum_tensile_strength | 55000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-00-017-5257 |
| FASTENER LENGTH | 1.250 INCHES NOMINAL IN |
| WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| SCREW MATERIAL | STEEL |
| THREAD CLASS | 2A A |
| THREAD LENGTH | 1.250 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE |
| THREAD DIRECTION | RIGHT-HAND |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |