| FASTENER LENGTH | 1.450 INCHES NOMINAL |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.500 INCHES NOMINAL |
| HEAD HEIGHT | 0.200 INCHES NOMINAL |
| HEAD STYLE | KNURLED NO. 5 |
| INTERNAL DRIVE STYLE | SLOT |
| LOCKING FEATURE | STRIP THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR ASTM A322 ASSN STD 2ND MATERIAL RESPONSE FASTENER |
| MATERIAL | PLASTIC POLYAMIDE (NYLON) LOCKING FEATURE |
| MATERIAL | STEEL COMP 4340 OR STEEL COMP 41L40 FASTENER |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| POINT STYLE | FLAT |
| POINT CHAMFER ANGLE | 90.0 DEGREES NOMINAL |
| POINT DIAMETER | 0.143 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| POINT LENGTH | 0.300 INCHES NOMINAL |
| SPECIAL FEATURES | 0.079 IN. MIN AND 0.082 IN MAX DIA HOLE IN POINT, 0.351 IN. MIN AND 0.361 IN. MAX DISTANCE FROM BEARING SURFACE OF HEAD TO CENTERLINE OF HOLE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-L-3150, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | PHOSPHATE MANGANESE FASTENER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.000 INCHES MINIMUM AND 1.060 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |