The NUT,PLAIN,SQUARE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SQUARE, nut_height: 0.219 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), hardness_rating: 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-199-6946, 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 |
| nut_style | SQUARE |
| nut_height | 0.219 INCHES NOMINAL IN |
| thread_class | 2B |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| hardness_rating | 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.545 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| nominal_thread_size | 0.312 INCHES IN |
| bearing_surface_type | FLAT |
| thread_quantity_per_inch | 18 |
| nondefinitive_spec/std_data | 1 TYPE AND 3 STYLE AND B GRADE |
| NSN | 5310-00-199-6946 |
| NOMINAL THREAD SIZE | 0.312 INCHES IN |
| HARDNESS RATING | 69.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 18 |
| BEARING SURFACE TYPE | FLAT |
| THREAD DIRECTION | RIGHT-HAND |
| NUT HEIGHT | 0.219 INCHES NOMINAL IN |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 3 STYLE AND B GRADE |
| NUT STYLE | SQUARE |
| THREAD CLASS | 2B |