| DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.351 INCHES MINIMUM AND 0.367 INCHES MAXIMUM |
| DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.193 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY LENGTH | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |
| EXTERNAL PREBENT KEY WIDTH | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.470 INCHES MINIMUM AND 0.480 INCHES MAXIMUM |
| INTERNAL STRAIGHT KEY WIDTH | 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| OVERALL DISTANCE INCLUDING KEYS | 0.738 INCHES MINIMUM AND 0.764 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.038 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SPECIAL FEATURES | INTERNAL KEY LOCATED 135 DEG FROM EXTERNAL KEY |
| STYLE DESIGNATOR | KEY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837,TYPE2,CLASS1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEST DATA DOCUMENT | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |