MIL-S-1222H: STUD,PLAIN.
The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, nut_style: HEXAGON, head_style: HEXAGON, nut_height: 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN, thread_class: 3A A, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.
Government catalog under NSN 5305-00-226-9220, 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 | NICKEL ALLOY 400 OVERALL |
| nut_style | HEXAGON |
| head_style | HEXAGON |
| nut_height | 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN |
| thread_class | 3A A |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| fastener_length | 2.500 INCHES NOMINAL IN |
| hardness_rating | 80.0 ROCKWELL B MINIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| nominal_thread_size | 0.375 INCHES IN |
| bearing_surface_type | CHAMFERED OR WASHER FACED |
| NSN | 5305-00-226-9220 |
| HEAD HEIGHT | 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN |
| FASTENER LENGTH | 2.500 INCHES NOMINAL IN |
| THREAD LENGTH | 1.750 INCHES MINIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| THREAD CLASS | 2A A |
| THREAD QUANTITY PER INCH | 10 |