THREAD SERIES DESIGNATOR | UNRF |
NOMINAL THREAD DIAMETER | 0.060 INCHES |
THREAD QUANTITY PER INCH | 80 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.445 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
FASTENER LENGTH | 0.470 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
MATERIAL | STEEL COMP 302 OR |
| STEEL COMP 305 OR |
| STEEL COMP 304 OR |
| STEEL COMP 316 OR |
| STEEL COMP 384 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND |
| 45.0 ROCKWELL C MAXIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 155000 POUNDS PER SQUARE INCH |
HEAD STYLE | FLAT CHAMFER |
HEAD DIAMETER | 0.091 INCHES MINIMUM AND |
| 0.096 INCHES MAXIMUM |
HEAD HEIGHT | 0.057 INCHES MINIMUM AND |
| 0.060 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | HEXAGON |
WIDTH ACROSS FLATS | 0.0505 INCHES MINIMUM AND |
| 0.0510 INCHES MAXIMUM |
SPECIFICATION/STANDARD DATA | 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 81348 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |