| THREAD SERIES | UNEF |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | KNOB, KNURLED |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT DIAMETER | 0.75 INCHES NOMINAL |
| NUT STYLE | KNURLED |
| NUT THICKNESS | 0.73 INCHES MINIMUM AND 0.77 INCHES MAXIMUM |
| SPECIAL FEATURES | COARSE DIAMOND KNURL FOR 0.38 INCHES; THREADING IS 0.38 INCHES DEEP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |