| DISTANCE FROM END OF STUD END THREADS TO NUT END | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
| LOCKING FEATURE | KEY INSERTS |
| OVERALL LENGTH | 1.125 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC 1ST MATERIAL RESPONSE AND AMS 5734D-76 ASSN STD 2ND MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 302 AND IRON ALLOY 660 |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD0.375 INCHES STUD THREAD |
| STYLE DESIGNATOR | LOCKED IN |
| SURFACE FINISH | 32.0 MICROINCHES NUT THD63.0 MICROINCHES SHANK63.0 MICROINCHES STUD THD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380-78 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A NUT THREAD2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREADRIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.511 INCHES MINIMUM AND 0.571 INCHES MAXIMUM NUT THREAD0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM STUD THREAD |
| THREAD SERIES DESIGNATOR | UNJF NUT THREADUNC STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD16 STUD THREAD |