021-01392: SCREW,CAP,HEXAGON HEAD.
The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include fastener_length: 1.250 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: UH60 BLACK HAWK AVIONICS, nominal_thread_diameter: 0.250 INCHES IN, thread_quantity_per_inch: 20, thread_series_designator: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.
Government catalog under NSN 5305-00-068-0509, 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.
| fastener_length | 1.250 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| end_item_identification | UH60 BLACK HAWK AVIONICS |
| nominal_thread_diameter | 0.250 INCHES IN |
| thread_quantity_per_inch | 20 |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| NSN | 5305-00-068-0509 |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.250 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429,GRADE8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354,GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |