CA21089-4-4HS: 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: 0.441 INCHES MINIMUM AND 0.661 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES GRIP, fastener_length: 1.002 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN, special_features: DOUBLELEADMODIFIEDMINORDIA.THREADS. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-088-1968, 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 | 0.441 INCHES MINIMUM AND 0.661 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 1.002 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN |
| special_features | DOUBLELEADMODIFIEDMINORDIA.THREADS |
| thread_direction | RIGHT-HAND |
| surface_treatment | CADMIUM AND 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 | 5305-01-088-1968 |
| 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 | 1.002 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.441 INCHES MINIMUM AND 0.661 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 | DOUBLELEADMODIFIEDMINORDIA.THREADS |
No substitute or cross-reference records for this part.