| COUNTERSINK ANGLE | 45.0 DEGREES NOMINAL BOTH ENDS |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE-AMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY UNS N07001 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SELF-LOCKING SHANK |
| PLATE THICKNESS | 0.030 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| PLATE WIDTH | 0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT LENGTH | 0.554 INCHES NOMINAL |
| NUT HEIGHT | 0.281 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| NUT STYLE | PLATE |
| SPECIAL FEATURES | DIAM. TO BE 0.330 IN. AFTER ELIPTICAL FORMING; MUST BE ABLE TO MEET 6000 LB. TENSILE BREAKING LOAD OR GREATER PER MIL-STD-1312-8; BOTTOM EDGE OF PLATE IS ROUNDED ON BACKSIDE WITH RADIUS OF 0.010-0.020 IN. BEGINNING 0.256-0.260 IN. FROM CENTER OF NUT OPENING THEN CUTS UP AT 65-67 DEG. ANGLE TO EDGE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | F50TF95 CL-C MFR REF SINGLE TREATMENT RESPONSE THREADS |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNJF |