| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | ALUMINUM ALLOY 1100 AND |
| ALUMINUM ALLOY 2024 AND |
| ALUMINUM ALLOY 7075 CHANNEL |
| STEEL COMP 1035 AND |
| STEEL COMP 1040 AND |
| STEEL COMP 1050 AND |
| STEEL COMP 1042 AND |
| STEEL COMP 4130 AND |
| STEEL COMP 4340 AND |
| STEEL COMP 8740 NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/1 FED SPEC 1ST MATERIAL RESPONSE AND |
| QQ-A-250/4 ASSN STD 2ND MATERIAL RESPONSE AND |
| QQ-A-250/12 FED SPEC 3RD MATERIAL RESPONSE CHANNEL |
| QQ-S-635 FED SPEC 1ST MATERIAL RESPONSE AND |
| QQ-S-635 FED SPEC 2ND MATERIAL RESPONSE AND |
| QQ-S-635 FED SPEC 3RD MATERIAL RESPONSE AND |
| ASTM A29 ASSN STD 4TH MATERIAL RESPONSE AND |
| ASTM A29 ASSN STD 5TH MATERIAL RESPONSE AND |
| ASTM A29 ASSN STD ALL MATERIAL RESPONSES AND |
| ASTM A29 ASSN STD 6TH MATERIAL RESPONSE NUT |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 49.0 ROCKWELL C MAXIMUM |
| NUT STYLE | GANG CHANNEL, SELF LOCKING |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| CHANNEL STYLE | STRAIGHT TYPE |
| OVERALL LENGTH | 3.310 INCHES NOMINAL |
| OVERALL WIDTH | 0.516 INCHES MAXIMUM |
| ASSEMBLY OVERALL HEIGHT | 0.281 INCHES MAXIMUM |
| CHANNEL HEIGHT | 0.062 INCHES MINIMUM |
| NUT SPACING | 1.125 INCHES NOMINAL |
| NUT QUANTITY | 3 |
| LUBRICATION | DRY FILM LUBRICANT |
| TEMP RATING | 250.0 DEG FAHRENHEIT MAXIMUM |