THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.558 INCHES MINIMUM |
FASTENER LENGTH | 0.875 INCHES MINIMUM AND |
| 0.922 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 SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
HEAD STYLE | FLAT COUNTERSUNK |
HEAD DIAMETER | 0.752 INCHES MINIMUM AND |
| 0.762 INCHES MAXIMUM |
COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
GRIP LENGTH | 0.250 INCHES NOMINAL |
GRIP DIAMETER | 0.3733 INCHES MINIMUM AND |
| 0.3742 INCHES MAXIMUM |
SURFACE FINISH | 32.0 MICROINCHES TOP OF HEAD |
SPECIFICATION/STANDARD DATA | 80205-NAS336 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |