THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.092 INCHES MINIMUM AND |
| 1.186 INCHES MAXIMUM |
FASTENER LENGTH | 1.234 INCHES MINIMUM AND |
| 1.266 INCHES MAXIMUM |
MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP E4340 OR |
| STEEL COMP 6150 OR |
| STEEL COMP 8735 OR |
| STEEL COMP 8740 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
HEAD STYLE | FLAT COUNTERSUNK |
HEAD DIAMETER | 0.322 INCHES MINIMUM AND |
| 0.385 INCHES MAXIMUM |
COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
LOCKING FEATURE | PATCH THREADS |
SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| 32.0 MICROINCHES THREADS |
SPECIFICATION/STANDARD DATA | 80205-NAS1741 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |