| MRC | Criteria | Characteristic |
|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | DEE CHAMFER |
| AASL | HEAD DIAMETER | 0.389 INCHES MINIMUM AND 0.393 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.189 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| AAWC | FIRST DIAMETER FROM HEAD | 0.250 INCHES NOMINAL |
| AAWD | SECOND DIAMETER FROM HEAD | 0.197 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| AAWE | THIRD DIAMETER FROM HEAD | 0.250 INCHES MAXIMUM |
| AAWF | FOURTH DIAMETER FROM HEAD | 0.186 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.125 INCHES NOMINAL |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.943 INCHES MINIMUM AND 0.959 INCHES MAXIMUM |
| AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.486 INCHES MINIMUM AND 1.518 INCHES MAXIMUM |
| AAWL | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 2.148 INCHES MINIMUM AND 2.196 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | STEEL COMP 4340 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
