| MRC | Criteria | Characteristic |
|---|
| AAUB | HOLE DIAMETER | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.762 INCHES MINIMUM AND 0.782 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.180 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 4 |
| ABPX | MATERIAL THICKNESS | 0.023 INCHES MINIMUM AND 0.029 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| CRZL | ANGLE BETWEEN FIRST AND SECOND KEY | 80.0 DEGREES NOMINAL |
| CSHK | ANGLE BETWEEN SECOND AND THIRD KEY | 120.0 DEGREES NOMINAL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
| FEAT | SPECIAL FEATURES | WASHER BENT TO AN OVERALL HEIGHT OF 0.053 IN. MIN 0.079 IN. MAX |
| HEAT | HEAT TREATMENT | QUENCHED AND TEMPERED |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 16-TE5,CLASS 1,99207 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
