A Sandberg Design Cover effectively protects your phone against marks and scratches while also giving it a more personal look. Key specifications include material: STEEL OVERALL, hole_diameter: 3.1 MILLIMETERS MINIMUM AND 3.4 MILLIMETERS MAXIMUM MM, hardness_rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM, outside_diameter: 6.2 MILLIMETERS MAXIMUM MM, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: ZINC OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9540-00-287-9421, 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_diameter | 3.1 MILLIMETERS MINIMUM AND 3.4 MILLIMETERS MAXIMUM MM |
| hardness_rating | 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM |
| outside_diameter | 6.2 MILLIMETERS MAXIMUM MM |
| style_designator | SPLIT HELICAL-RIGHT HAND |
| surface_treatment | ZINC OVERALL |
| material_thickness | 0.7 MILLIMETERS MINIMUM AND 0.9 MILLIMETERS MAXIMUM MM |
| end_item_identification | STRYKER |
| part_name_assigned_by_controlling_agency | SPLIT LOCK WASHER |
| surface_treatment_document_and_classification | ASTM B695, TYPE 1, CLASS 50 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| NSN | 9540-00-287-9421 |
| BASE FLANGE THICKNESS | 0.125 INCHES NOMINAL IN |
| FILLET RADIUS WHERE RIGHT FLANGE JOINS BASE FLANGE | 0.125 INCHES NOMINAL IN |
| MATERIAL | ALUMINUM ALLOY 7075 |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED |
| RIGHT INSIDE ANGLE | 90.0 DEGREES NOMINAL |
| RIGHT SIDE FLANGE THICKNESS | 0.125 INCHES NOMINAL IN |
| FIRST TIP STYLE | RIGHT QUARTER RADIUS |
| FIRST TIP RADIUS | 0.125 INCHES NOMINAL IN |
| RIGHT SIDE FLANGE HEIGHT | 0.875 INCHES NOMINAL IN |
| SECOND TIP STYLE | LEFT QUARTER RADIUS |