The NUT,SELF-LOCKING,BARREL is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), hardness_rating: 26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-171-4599, 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 |
| lubrication | DRY FILM LUBRICANT |
| thread_class | 3B |
| thread_series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| nominal_thread_size | 0.190 INCHES IN |
| counterbore_diameter | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM NUT IN |
| nut_counterbore_depth | 0.105 INCHES MINIMUM AND 0.135 INCHES MAXIMUM NUT IN |
| thread_quantity_per_inch | 32 |
| material_document_and_classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NSN | 5310-00-171-4599 |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THREAD CLASS | 3B |
| COUNTERBORE DIAMETER | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM NUT IN |
| NUT COUNTERBORE DEPTH | 0.105 INCHES MINIMUM AND 0.135 INCHES MAXIMUM NUT IN |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| NOMINAL THREAD SIZE | 0.190 INCHES IN |
| THREAD QUANTITY PER INCH | 32 |