The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: ROUND, nut_diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 0.126 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-090-4982, 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 | IRON ALLOY 660 OVERALL |
| nut_style | ROUND |
| nut_diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| thread_class | 3B |
| nut_thickness | 0.126 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| hardness_rating | 26.0 ROCKWELL C NOMINAL |
| thread_direction | RIGHT-HAND |
| countersink_angle | 80.0 DEGREES MINIMUM AND 120.0 DEGREES MAXIMUM NUT |
| precious_material | SILVER |
| surface_treatment | SILVER OVERALL |
| width_across_flats | 0.334 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN |
| NSN | 5310-00-090-4982 |
| THREAD CLASS | 3B |
| NUT DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| THREAD QUANTITY PER INCH | 36 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| NOMINAL THREAD SIZE | 0.136 INCHES IN |
| HARDNESS RATING | 26.0 ROCKWELL C NOMINAL |
| WIDTH ACROSS FLATS | 0.334 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN |
| MATERIAL | IRON ALLOY 660 OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |