| EXTERNAL KEY QUANTITY | 17 | 
| EXTERNAL PREBENT KEY WIDTH | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM | 
| HOLE DIAMETER | 2.182 INCHES MINIMUM AND 2.207 INCHES MAXIMUM | 
| INTERNAL PREBENT KEY LENGTH | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM | 
| INTERNAL PREBENT KEY WIDTH | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM | 
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | 
| MATERIAL THICKNESS | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM | 
| MATERIAL | STEEL COMP 1010  OR STEEL COMP 1012  OR STEEL COMP 1015  OR STEEL COMP 1016  OR STEEL COMP 1017  OR STEEL COMP 1018  OR STEEL COMP 1019  OR STEEL COMP 1020  OR STEEL COMP 1021  OR STEEL COMP 1022  OR STEEL COMP 1026  OR STEEL COMP 1527  OR STEEL COMP 1029  OR STEEL COMP 1030  OR STEEL COMP 1035  OR STEEL COMP 1023  OR STEEL COMP 1524  OR STEEL COMP 1025 OVERALL | 
| OUTSIDE DIAMETER | 2.656 INCHES MINIMUM AND 2.686 INCHES MAXIMUM | 
| OVERALL DISTANCE INCLUDING KEYS | 3.109 INCHES MAXIMUM | 
| STYLE DESIGNATOR | KEY | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE  OR ASTM B633,TYPE 2,CLASS 3 ASSN STD 2ND TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM  AND CHROMATE  OR ZINC  AND CHROMATE OVERALL |