A3140087-21: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_diameter: 4.90 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM, thread_length: 4.50 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM, screw_material: STEEL COMP 301, fastener_length: 25.0 MILLIMETERS NOMINAL MM, locking_feature: PATCH. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-431-7598, 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 | FLAT COUNTERSUNK |
| head_diameter | 4.90 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM MM |
| thread_length | 4.50 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM |
| screw_material | STEEL COMP 301 |
| fastener_length | 25.0 MILLIMETERS NOMINAL MM |
| locking_feature | PATCH |
| thread_direction | RIGHT-HAND |
| countersink_angle | 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM |
| internal_drive_style | CROSS RECESS TYPE II |
| end_item_identification | SINCGARSEQUIP |
| nominal_thread_diameter | 2.5 MILLIMETERS MM |
| screw_surface_treatment | PASSIVATE |
| NSN | 5305-01-431-7598 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G G |
| LOCKING FEATURE MATERIAL DOCUMENT AND CLASSIFICATION | L-P-410 MIL SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | PASSIVATE |
| FASTENER LENGTH | 25.0 MILLIMETERS NOMINAL MM |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 MIL SPEC SINGLE MATERIAL RESPONSE AND FED-STD-66 MIL SPEC SINGLE MATERIAL RESPONSE |
| THREAD PITCH IN MILLIMETERS | 0.7 |
| THREAD LENGTH | 4.50 MILLIMETERS MINIMUM AND 5.00 MILLIMETERS MAXIMUM MM |
| LOCKING FEATURE MATERIAL | PLASTIC POLYAMIDE NYLON |
| NOMINAL THREAD DIAMETER | 2.5 MILLIMETERS MM |
| HEAD STYLE | FLAT COUNTERSUNK |
No substitute or cross-reference records for this part.