| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.500 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.497 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AASK | HEAD STYLE | ROUND EXTENDED WASHER |
| AASL | HEAD DIAMETER | 0.353 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.085 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.428 INCHES NOMINAL |
| AATD | EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.037 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CYAU | SCREW MATERIAL | STEEL COMP E4340 OR STEEL COMP 8740 |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE |
| CYBA | SCREW SURFACE TREATMENT | CADMIUM |
| CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYII, CL2 FED SPEC SINGLE TREATMENT RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
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