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National Stock Number:
5305-00-638-5062
Federal Supply Class:
5305
National Item Identification Number:
006385062
Description:
SCREW,EXTERNALLY RELIEVED BODY
Detail:
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. 0 (0.060 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. 10 (0.190 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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Manufacturer Information:
| 99555 | 06650 | BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES | | 99555 | 26581 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.031 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.175 INCHES MINIMUM AND 0.193 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.054 INCHES MINIMUM AND 0.059 INCHES MAXIMUM | | HEAD DIAMETER | 0.188 INCHES NOMINAL | | HEAD HEIGHT | 0.035 INCHES MINIMUM AND 0.053 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.154 INCHES MINIMUM AND 0.162 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 56 | | THREAD SERIES DESIGNATOR | UNC |
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