| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.512 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD ALL MATERIAL RESPONSES OR AISI/SAE ASSN STD 1ST MATERIAL RESPONSE OR AISI/SAE ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 3RD MATERIAL RESPONSE OR AISI/SAE ASSN STD 4TH MATERIAL RESPONSE OR AISI ASSN STD 5TH MATERIAL RESPONSE OR AISI ASSN STD 6TH MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.050 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL |
| OUTSIDE DIAMETER | 1.380 INCHES MINIMUM AND 1.410 INCHES MAXIMUM |
| STYLE DESIGNATOR | FLAT EXTERNAL AND INTERNAL TEETH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |