| MATERIAL | STEEL COMP 4130 OR |
| STEEL COMP 5130 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| ENAMEL SHANK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TYPE Z,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE OVERALL |
| TT-E-489 FED SPEC 2ND TREATMENT RESPONSE SHANK |
| OVERALL LENGTH | 26.880 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD A |
| UNF NUT THREAD B |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD A |
| 0.312 INCHES NUT THREAD B |
| THREAD CLASS | 2A NUT THREAD A |
| 2A NUT THREAD B |
| THREAD QUANTITY PER INCH | 24 NUT THREAD A |
| 24 NUT THREAD B |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD A |
| RIGHT-HAND NUT THREAD B |
| THREAD LENGTH | 1.380 INCHES NOMINAL NUT THREAD A |
| 1.380 INCHES NOMINAL NUT THREAD B |