13019652: THUMBSCREW.
The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: KNURLED NO. 1, head_height: 0.375 INCHES NOMINAL IN, head_diameter: 0.490 INCHES MINIMUM IN, thread_length: 0.562 INCHES NOMINAL IN, fastener_length: 0.615 INCHES MINIMUM IN.
This part is cataloged in the U.S. Government catalog under NSN 5305-01-563-0156, 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 |
| head_style | KNURLED NO. 1 |
| head_height | 0.375 INCHES NOMINAL IN |
| head_diameter | 0.490 INCHES MINIMUM IN |
| thread_length | 0.562 INCHES NOMINAL IN |
| fastener_length | 0.615 INCHES MINIMUM IN |
| special_features | 0.250-26 BSF THREAD SIZE AND SERIES |
| thread_direction | RIGHT-HAND |
| surface_treatment | ZINC OVERALL |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| nonstandard_thread_pitch_diameter | -32.0 TO 50.0 INCHES IN |
| surface_treatment_document_and_classification | F21A AND F21B MFR REF ALL TREATMENT RESPONSES OVERALL |
| NSN | 5305-01-563-0156 |
| HEAD HEIGHT | 0.375 INCHES NOMINAL IN |
| FASTENER LENGTH | 0.615 INCHES MINIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | F21A AND F21B MFR REF ALL TREATMENT RESPONSES OVERALL |
| THREAD LENGTH | 0.562 INCHES NOMINAL IN |
| HEAD STYLE | KNURLED NO. 1 |
| THREAD DIRECTION | RIGHT-HAND |
| NONSTANDARD THREAD PITCH DIAMETER | -32.0 TO 50.0 INCHES IN |
| SPECIAL FEATURES | 0.250-26 BSF THREAD SIZE AND SERIES |
| SURFACE TREATMENT | ZINC OVERALL |
| MATERIAL | STEEL OVERALL |
No substitute or cross-reference records for this part.