| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 1.125 INCHES |
| THREAD QUANTITY PER INCH | 12 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 8740 OR |
| STEEL COMP 4340 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR |
| AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR |
| MIL-S-8844,CL1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND |
| 46.0 ROCKWELL C MAXIMUM |
| NUT STYLE | FLOATING SELF-LOCKING BARREL |
| NUT DIAMETER | 1.869 INCHES MINIMUM AND |
| 1.872 INCHES MAXIMUM |
| NUT LENGTH | 2.053 INCHES MINIMUM AND |
| 2.073 INCHES MAXIMUM |
| BARREL HEIGHT | 1.220 INCHES MINIMUM AND |
| 1.230 INCHES MAXIMUM |
| NUT HEIGHT | 1.562 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| FEATURES PROVIDED | FLOATING NUT |
| SPECIFICATION/STANDARD DATA | 80205-NAS577 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |