3MFR509: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.327 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.437 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, screw_material: STEEL COMP 4037 OR STEEL COMP 8630, fastener_length: 1.703 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-052-5811, 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 |
| thread_class | 3A A |
| head_diameter | 0.327 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| thread_length | 0.437 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| screw_material | STEEL COMP 4037 OR STEEL COMP 8630 |
| fastener_length | 1.703 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| hardness_rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| internal_drive_style | CROSS RECESS TYPE 1 |
| head_surface_treatment | NICKEL |
| nominal_thread_diameter | 0.190 INCHES IN |
| NSN | 5305-01-052-5811 |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE |
| FASTENER LENGTH | 1.703 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.437 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD SURFACE TREATMENT | NICKEL |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 4037 OR STEEL COMP 8630 |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH LBS |
No substitute or cross-reference records for this part.