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