THREAD DIRECTION | RIGHT-HAND |
FASTENER LENGTH | 0.500 INCHES NOMINAL |
MATERIAL | STEEL COMP 302 OR |
| STEEL COMP 303 OR |
| STEEL COMP 304 OR |
| STEEL COMP 305 OR |
| STEEL COMP 310 OR |
| STEEL COMP 316 OVERALL |
THREAD LENGTH | 0.400 INCHES MINIMUM |
HEAD STYLE | HEXAGON |
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 20 |
THREAD CLASS | 2A |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC ALL MATERIAL RESPONSES OR |
| QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR |
| QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR |
| QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE OR |
| QQ-S-763 FED SPEC 5TH MATERIAL RESPONSE OR |
| QQ-S-763 FED SPEC 6TH MATERIAL RESPONSE OR |
| ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
MINIMUM TENSILE STRENGTH | 75000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
HEAD HEIGHT | 0.150 INCHES MINIMUM AND |
| 0.163 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.425 INCHES MINIMUM AND |
| 0.437 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 81348 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFB575 |