GS520CK4-12: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 4140 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.360 INCHES MINIMUM IN, thread_length: 0.477 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES GRIP. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-196-0227, 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 8740 OR STEEL COMP 4140 OVERALL |
| head_style | FLAT COUNTERSUNK |
| thread_class | 3A A |
| head_diameter | 0.360 INCHES MINIMUM IN |
| thread_length | 0.477 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 1.467 INCHES MINIMUM AND 1.487 INCHES MAXIMUM IN |
| special_features | 3 KEYWAYS 0.035 IN. MIN AND 0.045 IN. MAX WIDE,0.024 IN. MIN AND 0.034 IN. MAX DEEP MACHINED IN SHANK,BORE MACHINED IN THREAD END TO RECEIVE PLUG IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| surface_treatment | CADMIUM AND CHROMATE OVERALL |
| width_across_flats | 0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| NSN | 5305-01-196-0227 |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| WIDTH ACROSS FLATS | 0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.467 INCHES MINIMUM AND 1.487 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD LENGTH | 0.477 INCHES MINIMUM AND 0.636 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SPECIAL FEATURES | 3 KEYWAYS 0.035 IN. MIN AND 0.045 IN. MAX WIDE,0.024 IN. MIN AND 0.034 IN. MAX DEEP MACHINED IN SHANK,BORE MACHINED IN THREAD END TO RECEIVE PLUG IN |
No substitute or cross-reference records for this part.