| EXTERNAL KEY QUANTITY | 3 |
| EXTERNAL STRAIGHT KEY LENGTH | 0.438 INCHES NOMINAL |
| EXTERNAL STRAIGHT KEY WIDTH | 0.188 INCHES NOMINAL |
| HOLE DIAMETER | 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
| INTERNAL PREBENT KEY ANGLE | 10.0 DEGREES NOMINAL |
| MAJOR DISTANCE FROM OUTSIDE OF WASHER TO OFF-CENTER KEY | 0.349 INCHES NOMINAL |
| OUTSIDE DIAMETER | 0.438 INCHES NOMINAL |
| OVERALL DISTANCE INCLUDING KEYS | 0.632 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL THICKNESS | 0.0299 INCHES NOMINAL |
| MATERIAL | STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL |
| PEENING KEY LENGTH | 0.234 INCHES NOMINAL |
| SPECIAL FEATURES | TWO KEYS AND ONE CENTRAL HOLE ON A FLAT BASE 5/8 IN LG BY 1/8 IN HT |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2485 ASSN STD 1ST TREATMENT RESPONSE OR AMS 2481 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE FILM OR PHOSPHATE OVERALL |