585R981H06: SCREW ASSEMBLY,PANEL.
The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 FASTENER, head_style: HEXAGON, head_height: 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.500 INCHES NOMINAL IN, fastener_length: 1.525 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-161-2153, 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 | IRON ALLOY 660 FASTENER |
| head_style | HEXAGON |
| head_height | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| thread_class | 3A A |
| thread_length | 0.500 INCHES NOMINAL IN |
| fastener_length | 1.525 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN |
| special_features | HARDNESS RATING 35.0 MIN. AND 43.0 MAX. ON LOCKWASHER; APPLY A SOLID FILMLUBRICANT TO THE SCREW THREADS ONLY IN ACCORD WITH MIL-L-8937 |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE PRIMARY WASHER |
| width_between_flats | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.250 INCHES IN |
| minimum_tensile_strength | 175000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-01-161-2153 |
| HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.525 INCHES MINIMUM AND 1.555 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD |
| MATERIAL ACCOMMODATED THICKNESS | 0.625 INCHES NOMINAL IN |
| THREAD LENGTH | 0.500 INCHES NOMINAL IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |