| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 4.625 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 1.500 INCHES NOMINAL |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.140 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 1.000 INCHES |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.500 INCHES NOMINAL FIRST HOLE |
| FEAT | SPECIAL FEATURES | UNDERCUT 0.562 IN.W BY 0.140 IN. DEEP AT 4.063 IN. FROM LARGEST BEARING SURFACE OF HEAD; DRILL 2 HOLES 90 DEG APART,THREAD END |
| MATT | MATERIAL | STEEL OVERALL OR STEEL COMP 8630 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,8730 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNS |
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