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National Stock Number:
5305-01-241-5067
Federal Supply Class:
5305
National Item Identification Number:
012415067
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:
| 3342-3 | 53387 | 3M COMPANY | | 3342-3 | 75037 | MINNESOTA MINING AND MFG CO 3M COMPANY | | 3598053 | 55974 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER TEST SYSTEMS DIV | | 3342-3 | 76381 | 3M COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD QUANTITY PER INCH | 40 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.095 INCHES MINIMUM AND | | 0.105 INCHES MAXIMUM | | FASTENER LENGTH | 0.345 INCHES MINIMUM AND | | 0.355 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CHROMATE ZINC OVERALL | | HEAD STYLE | FILLISTER | | HEAD DIAMETER | 0.175 INCHES MINIMUM AND | | 0.185 INCHES MAXIMUM | | HEAD HEIGHT | 0.069 INCHES MINIMUM AND | | 0.079 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | POINT STYLE | FLAT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.057 INCHES MINIMUM AND | | 0.067 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.245 INCHES MINIMUM AND | | 0.255 INCHES MAXIMUM |
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