| 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 OR |
| ALUMINUM ALLOY 2024 OR |
| ALUMINUM ALLOY 7075 CHANNEL |
| STEEL COMP 1035 OR |
| STEEL COMP 1040 OR |
| STEEL COMP 1050 OR |
| STEEL COMP 1042 OR |
| STEEL COMP 4130 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8740 NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/1 FED SPEC 1ST MATERIAL RESPONSE OR |
| QQ-A-250/4 FED SPEC 2ND MATERIAL RESPONSE OR |
| QQ-A-250/12 FED SPEC 3RD MATERIAL RESPONSE OR |
| QQ-A-250/13 FED SPEC 4TH MATERIAL RESPONSE CHANNEL |
| ASTMA29 ASSN STD 1ST MATERIAL RESPONSE OR |
| ASTMA827 ASSN STD 2ND MATERIAL RESPONSE OR |
| QQ-S-700 FED SPEC 3RD MATERIAL RESPONSE OR |
| ASTMA29 ASSN STD 4TH MATERIAL RESPONSE OR |
| ASTMA29 ASSN STD 5TH MATERIAL RESPONSE OR |
| ASTMA29 ASSN STD ALL MATERIAL RESPONSES OR |
| ASTMA29 ASSN STD 6TH MATERIAL RESPONSE NUT |
| SURFACE TREATMENT | CADMIUM NUT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| 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 | 5.176 INCHES MINIMUM AND |
| 5.196 INCHES MAXIMUM |
| OVERALL WIDTH | 0.516 INCHES MAXIMUM |
| ASSEMBLY OVERALL HEIGHT | 0.281 INCHES MAXIMUM |
| CHANNEL HEIGHT | 0.281 INCHES MAXIMUM |
| NUT SPACING | 1.000 INCHES NOMINAL |
| NUT QUANTITY | 7 |
| LUBRICATION | DRY FILM LUBRICANT |
| TEMP RATING | 250.0 DEG FAHRENHEIT MAXIMUM |