The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include thread_class: 3A NUT THREAD A, thread_length: 0.420 INCHES NOMINAL STUD THREAD IN, locking_feature: HEAD SERRATIONS, style_designator: LOCKED IN, thread_direction: RIGHT-HAND STUD THREAD, surface_treatment: PASSIVATE OVERALL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-01-016-2977, 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.
| thread_class | 3A NUT THREAD A |
| thread_length | 0.420 INCHES NOMINAL STUD THREAD IN |
| locking_feature | HEAD SERRATIONS |
| style_designator | LOCKED IN |
| thread_direction | RIGHT-HAND STUD THREAD |
| surface_treatment | PASSIVATE OVERALL |
| serration_quantity | 17 |
| nominal_thread_size | 0.312 INCHES STUD THREAD IN |
| thread_pitch_diameters | +0.2869 TO 0.2884 INCHES STUD THREAD IN |
| thread_quantity_per_inch | 24 STUD THREAD |
| thread_series_designator | UNS STUD THREAD |
| material_document_and_classification | MIL-S-17759,COMP 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| NSN | 5307-01-016-2977 |
| STYLE DESIGNATOR | LOCKED IN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD | 0.140 INCHES NOMINAL IN |
| NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD IN |
| THREAD QUANTITY PER INCH | 24 STUD THREAD |
| SERRATION QUANTITY | 17 |
| DISTANCE FROM SERRATED PORTION TO NUT END | 0.812 INCHES NOMINAL IN |
| LOCKING FEATURE | HEAD SERRATIONS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-17759,COMP 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| DISTANCE FROM SERRATED PORTION TO STUD END | 0.560 INCHES NOMINAL IN |