| COLOR | BLACK OVERALL |
| EXTERNAL KEY QUANTITY | 6 |
| EXTERNAL PREBENT KEY WIDTH | 0.240 INCHES NOMINAL |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 1.750 INCHES NOMINAL |
| OUTSIDE DIAMETER | 2.135 INCHES MINIMUM AND 2.140 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| SPECIFICATION/STANDARD DATA | 80205-NAS1443 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE FILM OVERALL |