| HOLE DIAMETER | 6.1 MILLIMETERS MINIMUM AND 6.2 MILLIMETERS MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | NF A 35-501 NATIONAL SPEC 1ST MATERIAL RESPONSE OVERALL OR NF A 35-551 NATIONAL SPEC 2ND MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.3 MILLIMETERS NOMINAL |
| MATERIAL | STEEL COMP A50 OVERALL OR STEEL COMP XC32 OVERALL |
| OUTSIDE DIAMETER | 17.5 MILLIMETERS MINIMUM AND 18.5 MILLIMETERS MAXIMUM |
| OVERALL HEIGHT | 3.0 MILLIMETERS NOMINAL |
| RECESS ANGLE | 99.0 DEGREES MINIMUM AND 103.0 DEGREES MAXIMUM |
| SPECIAL FEATURES | MINIMUM TENSILE STRENGTH, 490 NEWTONS PER SQUARE MM |
| STYLE DESIGNATOR | FINISHING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NF L 09-753 CODE L NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |