| MATERIAL | STEEL COMP 1040 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 240.0 BRINELL STANDARD MINIMUM AND |
| 285.0 BRINELL STANDARD MAXIMUM BODY |
| 240.0 BRINELL STANDARD MINIMUM AND |
| 285.0 BRINELL STANDARD MAXIMUM FACE |
| SEATING SURFACE SHAPE | FLAT |
| THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| NOMINAL THREAD SIZE | 0.688 INCHES SINGLE THREADED PORTION |
| THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION |
| THREAD CLASS | 3A SINGLE THREADED PORTION |
| THREAD LENGTH | 0.844 INCHES NOMINAL SINGLE THREADED PORTION |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 10001 |
| DESIGN CONTROL REFERENCE | 731110-4 |