| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.915 INCHES MINIMUM AND 0.925 INCHES MAXIMUM |
| EXTERNAL KEY QUANTITY | 4 |
| EXTERNAL STRAIGHT KEY WIDTH | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 2.230 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| INTERNAL KEY QUANTITY | 2 |
| INTERNAL STRAIGHT KEY WIDTH | 0.290 INCHES MINIMUM AND 0.300 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 | 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM |
| III MATERIAL | STEEL COMP 4130 OR STEEL COMP 4340 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 2.627 INCHES MINIMUM AND 2.647 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 2.772 INCHES MINIMUM AND 2.792 INCHES MAXIMUM |
| SPECIAL FEATURES | EXTERNAL KEYS 90 DEG APART AND OFFSET 19 DEG 17 MIN 8 SEC FROM CENTER LINE OF EXTERNAL KEYS AND ANGLE BETWEEN FIRST AND SECOND KEY FROM CENTER LINE 85 DEG 42 MIN 51 SEC AND ANGLE BETWEEN THIRD AND FOURTH KEY FROM CENTER LINE 85 DEG 42 MIN 51 SEC. INTERNAL KEYS 180 DEG APART |
| STYLE DESIGNATOR | KEY |
| SURFACE FINISH | 63.0 MICROINCHES BOTTOM |
| SURFACE FINISH | 63.0 MICROINCHES TOP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |