5590138: 5590138.
The 5590138 is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, nut_length: 1.25 INCHES NOMINAL IN, thread_class: 2B, thread_length: 0.750 INCHES NOMINAL OVERALL IN, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.
Government catalog under NSN 5355-00-668-3787, 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 | ALUMINUM ALLOY 6061 OVERALL |
| nut_length | 1.25 INCHES NOMINAL IN |
| thread_class | 2B |
| thread_length | 0.750 INCHES NOMINAL OVERALL IN |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| thread_direction | RIGHT-HAND |
| surface_treatment | PLASTIC OVERALL |
| nominal_thread_size | 0.250 INCHES IN |
| cross-sectional_shape | SQUARE BOTH ENDS |
| nut_width_across_flats | 0.750 INCHES NOMINAL IN |
| thread_quantity_per_inch | 20 |
| material_document_and_classification | ASTM B221 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NSN | 5355-00-668-3787 |
| DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE | 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| SHAFT ACCOMMODATION STYLE | ROUND |
| OVERALL THICKNESS | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| STYLE DESIGNATOR | ROUND |
| OUTSIDE DIAMETER | 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| SETSCREW HOLE QUANTITY | 1 |
| NOMINAL THREAD SIZE | 0.112 INCHES SCREW HOLE IN |
| INSIDE DIAMETER | 0.251 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| GRIPPING SURFACE CONDITION | GRIP AID |
| SCREW DRIVE TYPE | CROSS RECESS TYPE 1 |