NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: HEXAGON, temp_rating: 900.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF, overall_height: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-049-7358, 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 | HEXAGON |
| temp_rating | 900.0 FAHRENHEIT NOMINAL DEGF |
| thread_class | 3B |
| thread_series | UNF |
| overall_height | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| hardness_rating | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| locking_feature | PREVAILING TORQUE ALL METAL DESIGN |
| thread_direction | RIGHT-HAND |
| washer_thickness | 0.038 INCHES MINIMUM IN |
| countersink_angle | 45.0 DEGREES NOMINAL NUT |
| surface_treatment | SILVER OVERALL |
| NSN | 5310-01-049-7358 |
| THREAD QUANTITY PER INCH | 28 |
| NUT STYLE | HEXAGON |
| OVERALL HEIGHT | 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| COUNTERSINK ANGLE | 45.0 DEGREES NOMINAL NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| TEMP RATING | 900.0 FAHRENHEIT NOMINAL DEGF |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |