| FEATURES PROVIDED | FLOATING NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-T-580 GR B CL W1-08 FED SPEC 1ST MATERIAL RESPONSE OR AMS 6351 ASSN STD 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OR STEEL COMP 4130 OR STEEL COMP 4140 OVERALL |
| NOMINAL THREAD SIZE | 0.112 INCHES |
| NUT DIAMETER | 0.335 INCHES MINIMUM AND 0.365 INCHES MAXIMUM |
| NUT HEIGHT | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| NUT STYLE | CLINCH |
| PILOT DIAMETER | 0.274 INCHES MINIMUM AND 0.280 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 40 |