| 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 5731 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD 3RD MATERIAL RESPONSE NUT |
| MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE SEAL |
| AMS 5737 ASSN STD 3RD MATERIAL RESPONSE SHELL |
| AMS 5525 ASSN STD 1ST 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 | 0.239 INCHES NOMINAL |
| SPECIAL FEATURES | TWO MOUNTING HOLES LOCATED ON PLATE NOM. DIA 0.098 IN |