4AK81: SCREW,TAPPING.
The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include head_style: HEXAGON EXTENDED WASHER, fastener_length: 1.250 INCHES NOMINAL IN, nonmachine_thread_style: CONE POINT (TYPE BP), nonmachine_nominal_thread_diameter: 0.185 INCHES IN, part_name_assigned_by_controlling_agency: RED HEAD MASONRY SCREW,HEX. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-984-1630, 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.
| head_style | HEXAGON EXTENDED WASHER |
| fastener_length | 1.250 INCHES NOMINAL IN |
| nonmachine_thread_style | CONE POINT (TYPE BP) |
| nonmachine_nominal_thread_diameter | 0.185 INCHES IN |
| part_name_assigned_by_controlling_agency | RED HEAD MASONRY SCREW,HEX |
| NSN | 5310-00-984-1630 |
| NUT LENGTH | 0.355 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| HEAD COUNTERSINK ANGLE | 100.00 DEGREES NOMINAL |
| SHANK END TYPE | OPEN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.112 INCHES IN |
| NUT DIAMETER | 0.151 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| SURFACE TREATMENT | ANODIZE OVERALL |