| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.750 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 2.125 INCHES MINIMUM AND 2.156 INCHES MAXIMUM |
| AASK | HEAD STYLE | DEE CHAMFER |
| AASL | HEAD DIAMETER | 0.688 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.219 INCHES NOMINAL |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.219 INCHES NOMINAL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.438 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| ANEE | GRIP LENGTH | 1.125 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.656 INCHES NOMINAL FIRST HOLE |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
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