THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.554 INCHES MINIMUM AND |
| 0.604 INCHES MAXIMUM |
FASTENER LENGTH | 1.314 INCHES MINIMUM AND |
| 1.344 INCHES MAXIMUM |
MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8740 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-8844 MIL SPEC 2ND MATERIAL RESPONSE OR |
| AMS 6414 ASSN STD 2ND MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OR |
| CADMIUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OR |
| QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HEAD STYLE | FLAT COUNTERSUNK |
HEAD DIAMETER | 0.703 INCHES MINIMUM AND |
| 0.762 INCHES MAXIMUM |
COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
INTERNAL DRIVE STYLE | HIGH-TORQUE |
LOCKING FEATURE | PATCH THREADS |
SPECIFICATION/STANDARD DATA | 80205-NAS1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |