| LOCKING FEATURE | PREVAILING TORQUE ALL NONMETALLIC DESIGN | 
| THREAD DIRECTION | RIGHT-HAND | 
| MATERIAL | IRON ALLOY 660 NUT | 
 | RUBBER FLUOROSILICONE CLASS FQ SEAL | 
 | IRON ALLOY 660 SHELL | 
 | IRON ALLOY 660 WASHER | 
| THREAD SERIES | UNJF | 
| NOMINAL THREAD SIZE | 0.250 INCHES | 
| THREAD QUANTITY PER INCH | 28 | 
| THREAD CLASS | 3B | 
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR | 
 | AMS 5737 ASSN STD 3RD MATERIAL RESPONSE NUT | 
 | MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE SEAL | 
 | AMS 5525 ASSN STD 1ST MATERIAL RESPONSE OR | 
 | AMS 5737 ASSN STD 3RD MATERIAL RESPONSE SHELL | 
 | AMS 5731 ASSN STD 2ND MATERIAL RESPONSE OR | 
 | AMS 5737 ASSN STD 3RD MATERIAL RESPONSE WASHER | 
| SURFACE TREATMENT | PASSIVATE NUT | 
 | PASSIVATE SHELL | 
 | PASSIVATE WASHER | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT | 
 | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SHELL | 
 | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WASHER | 
| OVERALL HEIGHT | 0.745 INCHES MAXIMUM | 
| NUT HEIGHT | 0.235 INCHES NOMINAL | 
| SPECIAL FEATURES | TWO MOUNTING HOLES LOCATED ON PLATE NOM. DIA 0.098 IN |