| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 1050 OR |
| STEEL COMP 4130 NUT |
| STEEL COMP 1050 SHELL |
| STEEL COMP 304 OR |
| STEEL COMP 305 BOSS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5085 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS6351 ASSN STD 2ND MATERIAL RESPONSE NUT |
| AMS5085 ASSN STD SINGLE MATERIAL RESPONSE SHELL |
| AMS5639 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS5514 ASSN STD 2ND MATERIAL RESPONSE BOSS |
| SURFACE TREATMENT | CADMIUM NUT |
| CADMIUM AND |
| CHROMATE SHELL |
| CHROMATE BOSS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE SHELL |
| QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE BOSS |
| HARDNESS RATING | 49.0 ROCKWELL C MAXIMUM |
| NUT STYLE | SPLINE (FLOATING) |
| PILOT DIAMETER | 0.335 INCHES MAXIMUM |
| PILOT LENGTH | 0.130 INCHES NOMINAL |
| NUT LENGTH | 0.665 INCHES MAXIMUM |
| NUT HEIGHT | 0.455 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.465 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| FEATURES PROVIDED | FLOATING NUT |