| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,COMP 8640 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TYPE M,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 250.0 BRINELL STANDARD MINIMUM AND |
| 275.0 BRINELL STANDARD MAXIMUM BODY |
| 250.0 BRINELL STANDARD MINIMUM AND |
| 275.0 BRINELL STANDARD MAXIMUM FACE |
| SEATING SURFACE SHAPE | FLAT |
| THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
| NOMINAL THREAD SIZE | 0.812 INCHES SINGLE THREADED PORTION |
| THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION |
| THREAD CLASS | 3B SINGLE THREADED PORTION |
| THREAD LENGTH | 0.250 INCHES NOMINAL SINGLE THREADED PORTION |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 10001 |
| DESIGN CONTROL REFERENCE | 2124502 |