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National Stock Number:
5305-00-731-3127
Federal Supply Class:
5305
National Item Identification Number:
007313127
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:
| 1119194-1 | 04348 | LAWRENCE ENGINEERING AND SUPPLY INC | | 1119194-1 | 18355 | THE BOEING COMPANY | | 132764-1 | 18355 | THE BOEING COMPANY | | 132764-1 | 23162 | FRAZIER AVIATION INC | | 132764-1 | 47274 | WESTBROOK AIRCRAFT SALES INC DBA WESTBROOK AIRCRAFT PARTS SALES | | 1119194-1 | 88277 | THE BOEING COMPANY | | 132764-1 | 88277 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.625 INCHES MINIMUM | | FASTENER LENGTH | 2.187 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | HEAD STYLE | FILLISTER | | HEAD DIAMETER | 0.500 INCHES NOMINAL | | HEAD HEIGHT | 0.343 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 1 | | HOLE DIAMETER | 0.064 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.185 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.562 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 88277 | | DESIGN CONTROL REFERENCE | 132764-1 |
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