| FULL INTERNAL THREAD LENGTH | 1.025 INCHES NOMINAL |
| INSERT SIZE | 1.1250-12UNF-2A |
| INTERNAL THREAD RELIEF DEPTH | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| LENGTH | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| SPECIAL FEATURES | FOUR LOCKING KEYS; TOP MARKED W/TWO PARALLEL DASH MARKS; ROCKWELL HARDNESS 36.0 TO 40.0; HEAT TREATED TO 160000 PSI |
| STYLE DESIGNATOR | KEYLOCK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |