Premium quality is achieved by using appropriate thick cardboard, a special non-reflective layer, and puzzle pieces’ perfect fitting. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, bore_shape: STRAIGHT FIRST END, head_style: HEXAGON, body_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, bore_length: 3.2500 INCHES NOMINAL SECOND END IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-207-5582, 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 | STEEL OVERALL |
| hole_type | DRILLED |
| bore_shape | STRAIGHT FIRST END |
| head_style | HEXAGON |
| body_length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| bore_length | 3.2500 INCHES NOMINAL SECOND END IN |
| design_type | INTERNAL GEAR |
| head_height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| keyway_depth | 0.1875 INCHES NOMINAL SECOND END IN |
| keyway_width | 0.375 INCHES NOMINAL SECOND END IN |
| thread_class | 2A A |
| bore_diameter | 2.1230 INCHES NOMINAL FIRST END IN |
| NSN | 5305-00-207-5582 |
| HEAD HEIGHT | 0.075 INCHES NOMINAL IN |
| THREAD LENGTH | 0.312 INCHES MAXIMUM IN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| SCREW MATERIAL | COPPER ALLOY |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| FASTENER LENGTH | 0.312 INCHES NOMINAL IN |
| THREAD QUANTITY PER INCH | 40 |
| HEAD STYLE | BINDING |
| HEAD DIAMETER | 0.282 INCHES NOMINAL IN |
| THREAD SERIES DESIGNATOR | UNF |