| BARREL HEIGHT | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL DOCUMENT AND CLASSIFICATION | DJFJDCMIL-S-8844,CLASS 1 MIL STD 10TH MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4340 OVERALL |
| NOMINAL THREAD SIZE | 1.000 INCHES |
| NUT DIAMETER | 1.556 INCHES MINIMUM AND 1.559 INCHES MAXIMUM |
| NUT HEIGHT | 1.281 INCHES MAXIMUM |
| NUT LENGTH | 1.718 INCHES MINIMUM AND 1.738 INCHES MAXIMUM |
| NUT STYLE | FLOATING SELF-LOCKING BARREL |
| SPECIAL FEATURES | DRY FILM LUBRICANT |
| SPECIFICATION/STANDARD DATA | 80205-NAS577 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD 1ST TREATMENT RESPONSE OR MIL-C-8837 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 12 |