R840-9: WASHER,KEY.
The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, nut_style: ROUND, nut_diameter: 1.250 INCHES NOMINAL IN, thread_class: 2B, hole_diameter: 1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN, nut_thickness: 0.383 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-638-6907, 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 304 OVERALL |
| nut_style | ROUND |
| nut_diameter | 1.250 INCHES NOMINAL IN |
| thread_class | 2B |
| hole_diameter | 1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN |
| nut_thickness | 0.383 INCHES NOMINAL IN |
| thread_series | UNF |
| outside_diameter | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN |
| style_designator | KEY |
| thread_direction | RIGHT-HAND |
| drive_point_depth | 0.188 INCHES NOMINAL IN |
| surface_treatment | ANODIZE OVERALL |
| NSN | 5310-00-638-6907 |
| INTERNAL STRAIGHT KEY WIDTH | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.575 INCHES NOMINAL IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYLE DESIGNATOR | KEY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,TEMPER T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| OUTSIDE DIAMETER | 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN |
| MATERIAL THICKNESS | 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| SURFACE TREATMENT | ANODIZE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| INTERNAL KEY QUANTITY | 2 |
No substitute or cross-reference records for this part.