| NOMINAL THREAD SIZE | 4.00 MILLIMETERS |
| NUT WIDTH | 19.50 MILLIMETERS MINIMUM AND 20.50 MILLIMETERS MAXIMUM |
| NUT LENGTH | 159.50 MILLIMETERS MINIMUM AND 160.50 MILLIMETERS MAXIMUM |
| NUT STYLE | STRIP |
| SPECIAL FEATURES | 3 MM RAD EDGE ON REVERSE SIDE UNDER COUNTERBORE HOLES;8 MM WD BY 2.1 MM DEEP REBATE 0N FACE SIDE OVER THD HOLES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PLASTOLAC AE256 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ACRYLIC OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 0.70 |
| THREAD TOLERANCE CLASS | 6H INTERNAL |
| THREAD SERIES | ISO M |
| MATERIAL DOCUMENT AND CLASSIFICATION | D-07-100-FP MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 6.90 MILLIMETERS MINIMUM AND 7.10 MILLIMETERS MAXIMUM |
| MATERIAL | ELASTOLIT OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | RETAINING PLATE |