THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.338 INCHES MAXIMUM |
FASTENER LENGTH | 0.885 INCHES MINIMUM AND |
| 0.995 INCHES MAXIMUM |
MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| STEEL COMP 4340 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 8740 OR |
| STEEL COMP 8735 FASTENER |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-8503 MIL SPEC 4TH MATERIAL RESPONSE FASTENER |
SURFACE TREATMENT | CADMIUM AND |
| CHROMATE FASTENER |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES FASTENER |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.110 INCHES MINIMUM AND |
| 0.115 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND |
| 0.376 INCHES MAXIMUM |
GRIP LENGTH | 0.552 INCHES MINIMUM AND |
| 0.572 INCHES MAXIMUM |
GRIP DIAMETER | 0.1885 INCHES MINIMUM AND |
| 0.1895 INCHES MAXIMUM |
SPECIFICATION/STANDARD DATA | 80205-NAS1223 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |