| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.875 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.750 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.281 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.560 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.125 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CBBL | FEATURES PROVIDED | UNFINISHED HEAD |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.625 INCHES NOMINAL FIRST HOLE |
| MATT | MATERIAL | STEEL COMP 3135 OVERALL OR STEEL COMP 1035 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
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