256164: COLLAR,SHAFT.
The COLLAR,SHAFT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thickness: 0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN, bore_diameter: 2.4390 INCHES MINIMUM AND 2.4420 INCHES MAXIMUM IN, outside_diameter: 3.750 INCHES NOMINAL IN, style_designator: PLAIN ROUND, hole_diameter_and_location: 0.3750 INCHES NOMINAL SINGLE HOLE IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-541-9121, 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 | COPPER ALLOY |
| thickness | 0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN |
| bore_diameter | 2.4390 INCHES MINIMUM AND 2.4420 INCHES MAXIMUM IN |
| outside_diameter | 3.750 INCHES NOMINAL IN |
| style_designator | PLAIN ROUND |
| securing_hole_quantity | 1 |
| hole_diameter_and_location | 0.3750 INCHES NOMINAL SINGLE HOLE IN |
| securing_hole_type_and_location | UNTHREADED SINGLE HOLE |
| NSN | 5305-00-541-9121 |
| HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| SCREW SURFACE TREATMENT | PASSIVATE |
| FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES |
| THREAD LENGTH | 0.294 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.112 INCHES IN |
| HEAD STYLE | PAN |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 410 OR STEEL COMP 430 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
No substitute or cross-reference records for this part.