| FEATURES PROVIDED | INDIVIDUALLY KEYED |
| FULL INTERNAL THREAD LENGTH | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| INSERT SIZE | 0.500-20 UNF 2A |
| INTERNAL THREAD RELIEF DEPTH | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| LENGTH | 0.385 INCHES MINIMUM AND 0.415 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| SPECIAL FEATURES | LOCK RINGS |
| STYLE DESIGNATOR | KEYLOCK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3B |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 28 |