| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A NUT THREAD |
| AAJD | THREAD CLASS | 3A STUD THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| AAJF | THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| AASA | THREAD LENGTH | 0.906 INCHES NOMINAL NUT THREAD |
| AASA | THREAD LENGTH | 0.906 INCHES NOMINAL STUD THREAD |
| AAVK | SHOULDER LENGTH | 0.250 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 2.250 INCHES NOMINAL |
| ADDB | NUT END SHANK LENGTH | 0.094 INCHES NOMINAL |
| AWTQ | DISTANCE ACROSS FLATS | 0.375 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 NUT THREAD |
| CMLP | THREAD QUANTITY PER INCH | 20 STUD THREAD |
| CQFM | III HARDNESS RATING | 27.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| CSJZ | STUD END SHANK LENGTH | 0.098 INCHES NOMINAL |
| CSXH | STUD END SHANK DIAMETER | 0.250 INCHES NOMINAL |
| CTDT | NUT END SHANK DIAMETER | 0.250 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 2330 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-689 FED SPEC 3RD MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STYL | STYLE DESIGNATOR | SHOULDERED |
| THSD | THREAD SERIES DESIGNATOR | UNC NUT THREAD |
| THSD | THREAD SERIES DESIGNATOR | UNC STUD THREAD |
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