MATERIAL | STEEL COMP 4130 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | TIN AND |
| CADMIUM OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-23408 CLASS 2 MIL SPEC 1ST TREATMENT RESPONSE AND |
| MIL-P-23408 CLASS 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 26.0 ROCKWELL C NOMINAL OR |
| 92.0 ROCKWELL B NOMINAL |
STYLE DESIGNATOR | KEY |
INTERNAL KEY QUANTITY | 2 |
HOLE DIAMETER | 5.090 INCHES NOMINAL |
OUTSIDE DIAMETER | 5.750 INCHES NOMINAL |
INTERNAL STRAIGHT KEY WIDTH | 0.160 INCHES NOMINAL |
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 2.435 INCHES NOMINAL |
MATERIAL THICKNESS | 0.064 INCHES NOMINAL |
PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |