The CLAMP,HUB is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303SE, thickness: 0.156 INCHES NOMINAL IN, bore_diameter: 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN, outside_diameter: 0.562 INCHES NOMINAL IN, style_designator: ROUND, SINGLE BOLT SECURED, surface_treatment: PASSIVATE. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-00-441-1658, 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 COMP 303 OR STEEL COMP 303SE |
| thickness | 0.156 INCHES NOMINAL IN |
| bore_diameter | 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN |
| outside_diameter | 0.562 INCHES NOMINAL IN |
| style_designator | ROUND, SINGLE BOLT SECURED |
| surface_treatment | PASSIVATE |
| nominal_thread_size | 0.086 INCHES IN |
| plain_hole_diameter | 0.1020 INCHES NOMINAL IN |
| clamp_securing_hole_style | THREADED |
| screw_thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| material_document_and_classification | QQ-S-764, TYPE 303-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-764, TYPE 303SE-CANCELED FED SPEC 2ND MATERIAL RESPONSE |
| NSN | 3040-00-441-1658 |
| SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THICKNESS | 0.312 INCHES NOMINAL IN |
| SURFACE TREATMENT | PASSIVATE |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE |
| STYLE DESIGNATOR | ROUND, SINGLE BOLT SECURED |
| MATERIAL | STEEL COMP 303 |
| CLAMP SECURING HOLE STYLE | THREADED |
| BORE DIAMETER | 0.5625 INCHES NOMINAL IN |
| PLAIN HOLE DIAMETER | 0.1730 INCHES NOMINAL IN |
| NOMINAL THREAD SIZE | 0.164 INCHES IN |