The S440-3 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CLINCH, nut_height: 0.149 INCHES NOMINAL IN, nut_diameter: 0.250 INCHES NOMINAL IN, pilot_length: 0.087 INCHES NOMINAL IN, thread_class: 2B. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System under NSN 5355-00-037-8074, 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 | CLINCH |
| nut_height | 0.149 INCHES NOMINAL IN |
| nut_diameter | 0.250 INCHES NOMINAL IN |
| pilot_length | 0.087 INCHES NOMINAL IN |
| thread_class | 2B |
| thread_series | UNIFIED NATIONAL COARSE (UNC) |
| pilot_diameter | 0.164 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OVERALL |
| nominal_thread_size | 0.112 INCHES IN |
| thread_quantity_per_inch | 40 |
| NSN | 5355-00-037-8074 |
| END ITEM IDENTIFICATION | SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE),AIRCRAFT, VIKING S-3B, SUPPORT EQUIPMENT, F-5 AIRCRAFT,SUPPORT EQUIPMENT, C-5 AIRCRAFT,SUPPORT EQUIPMENT,T-38 AIRCRAFT,SUPPORT EQUIPMENT, OV-10A AIRCRAFT,AIRCRAFT, F-111,AIRCRAFT, ORON P-3,SUPPORT EQUIPMENT, T-37 AIRCRAFT A |
| ATTACHMENT METHOD | SCREW ON |
| COLOR | BLACK |
| THREAD QUANTITY PER INCH | 16 RECEPTACLE |
| NOMINAL THREAD SIZE | 0.375 INCHES RECEPTACLE IN |
| STYLE DESIGNATOR | BALL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RECEPTACLE |
| OUTSIDE DIAMETER | 1.875 INCHES NOMINAL IN |
| GRIPPING SURFACE CONDITION | GRIP AID |