| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 2.650 INCHES MINIMUM AND 2.660 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 4 |
| EXTERNAL STRAIGHT KEY WIDTH | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 5.655 INCHES MINIMUM AND 5.675 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 2 |
| INTERNAL STRAIGHT KEY WIDTH | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6415 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4340 OVERALL |
| OUTSIDE DIAMETER | 6.325 INCHES MINIMUM AND 6.345 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 6.640 INCHES MINIMUM AND 6.660 INCHES MAXIMUM |
| SPECIAL FEATURES | INTERNAL KEYS 180.0 DEGREES APART OFFSET 27 DEGREES FROM CENTER LINE OF EXTERNAL KEYS |
| STYLE DESIGNATOR | KEY |
| SURFACE FINISH | 63.0 MICROINCHES BOTTOM |
| SURFACE FINISH | 63.0 MICROINCHES TOP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | D0D-P-16232, TY Z, CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |