THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.138 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.193 INCHES MINIMUM AND |
| 0.228 INCHES MAXIMUM |
FASTENER LENGTH | 0.484 INCHES MINIMUM AND |
| 0.499 INCHES MAXIMUM |
MATERIAL | STEEL COMP 304L OR |
| STEEL COMP 316L OR |
| STEEL COMP 302 OR |
| STEEL COMP 347 OR |
| STEEL COMP 321 OR |
| STEEL COMP 317 OR |
| STEEL COMP 316 OR |
| STEEL COMP 310 OR |
| STEEL COMP 309 OR |
| STEEL COMP 305 OR |
| STEEL COMP 304 OR |
| STEEL COMP 303 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OR |
| 66 ASSN STD ALL MATERIAL RESPONSES OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
HEAD STYLE | PAN |
HEAD DIAMETER | 0.256 INCHES MINIMUM AND |
| 0.270 INCHES MAXIMUM |
HEAD HEIGHT | 0.087 INCHES MINIMUM AND |
| 0.097 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FIRST DIAMETER FROM HEAD | 0.100 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.271 INCHES MINIMUM AND |
| 0.291 INCHES MAXIMUM |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 81348 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-92 |