The NUT,PLAIN,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.281 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, hardness_rating: 68.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-176-8196, 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 | CASTELLATED, HEXAGON |
| nut_height | 0.281 INCHES NOMINAL IN |
| thread_class | 3B |
| thread_series | UNF |
| hardness_rating | 68.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| countersink_angle | 110.0 DEGREES NOMINAL NUT |
| surface_treatment | CADMIUM OVERALL |
| width_across_flats | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| nominal_thread_size | 0.250 INCHES IN |
| bearing_surface_type | WASHER FACED |
| NSN | 5310-00-176-8196 |
| NOMINAL THREAD SIZE | 0.250 INCHES IN |
| NUT STYLE | CASTELLATED, HEXAGON |
| THREAD QUANTITY PER INCH | 28 |
| BEARING SURFACE TYPE | WASHER FACED |
| THREAD SERIES | UNF |
| MATERIAL | STEEL OVERALL |
| THREAD CLASS | 3B |
| COUNTERSINK ANGLE | 110.0 DEGREES NOMINAL NUT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NUT HEIGHT | 0.281 INCHES NOMINAL IN |