| FASTENER LENGTH | 1.689 INCHES NOMINAL |
| GRIP LENGTH | 1.438 INCHES NOMINAL |
| HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.058 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.363 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| HEAD STYLE | STRAIGHT PAN |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-8695,COND C4 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4037 OVERALL |
| SHANK DIAMETER | 0.250 INCHES NOMINAL |
| SHANK STYLE | STUMP |
| SPECIFICATION/STANDARD DATA | 80205-NAS1428 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |