GB510FG4-19: SCREW,CLOSE TOLERANCE.
The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.4640 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-043-1371, 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 | NICKEL ALLOY 718 OVERALL |
| head_style | FLAT COUNTERSUNK |
| grip_length | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN |
| thread_class | 3A A |
| grip_diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| head_diameter | 0.4640 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM IN |
| thread_length | 0.425 INCHES NOMINAL IN |
| surface_finish | 32.0 MICROINCHES GRIP |
| fastener_length | 1.597 INCHES MINIMUM AND 1.644 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| surface_treatment | PASSIVATE OVERALL |
| NSN | 5305-01-043-1371 |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD 1ST TREATMENT RESPONSE OR MIL-C-8837 TY 2 CL 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| SPECIFICATION/STANDARD DATA | 26512-GB510N MANUFACTURERS STANDARD |
| SURFACE TREATMENT | CADMIUM OR CADMIUM AND CHROMATE OVERALL |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL | STEEL COMP H11 OVERALL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |