| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE (FLOATING) |
| MATERIAL | STEEL COMP 1035 OR |
| STEEL COMP 1050 OR |
| STEEL COMP 4130 OR |
| STEEL COMP 1040 OR |
| STEEL COMP 1042 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8740 OVERALL |
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5080 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS5085 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS6350 ASSN STD 3RD MATERIAL RESPONSE OR |
| ASTMA682 ASSN STD 4TH MATERIAL RESPONSE OR |
| ASTMA576 ASSN STD 5TH MATERIAL RESPONSE OR |
| AMS6359 ASSN STD ALL MATERIAL RESPONSES OR |
| AMS6322 ASSN STD 6TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 49.0 ROCKWELL C MAXIMUM |
| NUT LENGTH | 0.801 INCHES MAXIMUM |
| NUT HEIGHT | 0.281 INCHES MAXIMUM |
| PLATE THICKNESS | 0.027 INCHES MINIMUM AND |
| 0.090 INCHES MAXIMUM |
| PLATE WIDTH | 0.350 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
| LUBRICATION | DRY FILM LUBRICANT |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND |
| 0.103 INCHES MAXIMUM |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.276 INCHES MINIMUM AND |
| 0.286 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 0.560 INCHES MINIMUM AND |
| 0.564 INCHES MAXIMUM |
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| FEATURES PROVIDED | FLOATING NUT |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-N-25027 |