THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.428 INCHES MINIMUM AND |
| 0.448 INCHES MAXIMUM |
FASTENER LENGTH | 0.428 INCHES MINIMUM AND |
| 0.448 INCHES MAXIMUM |
MATERIAL | STEEL COMP 303 OR |
| STEEL COMP 303SE OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA582 ASSN STD ALL MATERIAL RESPONSES OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HEAD STYLE | HEADLESS (SETSCREW) |
INTERNAL DRIVE STYLE | HEXAGON |
WIDTH ACROSS FLATS | 0.937 INCHES MINIMUM AND |
| 0.947 INCHES MAXIMUM |
LOCKING FEATURE | STRIP THREADS |
POINT STYLE | FLAT |
SPECIFICATION/STANDARD DATA | 80205-NAS1081 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 81349 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-F-18340 |