CA21089-4-6HS: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, thread_class: 3A A, thread_length: 0.599 INCHES MINIMUM AND 0.819 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD, fastener_length: 1.107 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-090-9077, 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 COMP 4140 OR STEEL COMP 8740 OVERALL |
| thread_class | 3A A |
| thread_length | 0.599 INCHES MINIMUM AND 0.819 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| fastener_length | 1.107 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN |
| special_features | DOUBLE LEAD MODIFIED MINOR DIA. THREADS. ITEM IS FURNISHED WITH ONE RETAINING RING CA21089-GR AND WITH ONE FLAT BEAM NUT CA2108 |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM OR CHROMATE OVERALL |
| width_across_flats | 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| internal_drive_style | HEXAGON |
| nominal_thread_diameter | 0.250 INCHES IN |
| minimum_tensile_strength | 180000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-01-090-9077 |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.107 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.599 INCHES MINIMUM AND 0.819 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIAL FEATURES | DOUBLE LEAD MODIFIED MINOR DIA. THREADS. ITEM IS FURNISHED WITH ONE RETAINING RING CA21089-GR AND WITH ONE FLAT BEAM NUT CA2108 |
No substitute or cross-reference records for this part.