| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.525 INCHES NOMINAL STUD THREAD |
| THREAD LENGTH | 1.020 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |
| THREAD QUANTITY PER INCH | 28 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNJF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNJF STUD THREAD |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP XM-13 |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.2470 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| NUT END SHANK LENGTH | 0.170 INCHES NOMINAL |
| OVERALL LENGTH | 2.325 INCHES NOMINAL |
| SHOULDER DIAMETER | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| SPECIAL FEATURES | HEX POINT DRIVE IN END,0.1562 TO 0.1587 IN. DISTANCE ACROSS FLATS,0.110 IN. DP; SOLID FILM LUBRICANT OVERALL PER MIL-L-8937 |
| STUD END SHANK DIAMETER | 0.270 INCHES MINIMUM AND 0.273 INCHES MAXIMUM |
| STUD END SHANK LENGTH | 0.550 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |