SCREW,EXTERNAL,
| CIRCOR AEROSPACE, INC. | 50601 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.213 INCHES NOMINAL |
| FASTENER LENGTH | 0.312 INCHES NOMINAL |
| HEAD STYLE | FILLISTER |
| HEAD DIAMETER | 0.312 INCHES NOMINAL |
| HEAD HEIGHT | 0.088 INCHES NOMINAL |
| HOLE DIAMETER | 0.031 INCHES MINIMUM AND 0.034 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.230 INCHES NOMINAL |
| SECOND DIAMETER FROM HEAD | 0.104 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.100 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | SLOT |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| THREAD QUANTITY PER INCH | 32 |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| HOLE CONFIGURATION STYLE | ROUND |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| MATERIAL | STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THREAD SERIES DESIGNATOR | UNC |
| An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. ( . 6 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 1 ( .19 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING. |
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