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National Stock Number:
5305-00-614-6880
Federal Supply Class:
5305
National Item Identification Number:
006146880
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:
| 6146880 | 19200 | US ARMY ARDEC RDECOM | | 6146880 | 19205 | SPRINGFIELD ARMORY |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNEF | | NOMINAL THREAD DIAMETER | 0.195 INCHES | | THREAD QUANTITY PER INCH | 26 | | NONSTANDARD THREAD PITCH DIAMETER | 0.1666 TO 0.1698 INCHES | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.129 INCHES MAXIMUM | | FASTENER LENGTH | 1.188 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | HEAD STYLE | FILLISTER | | HEAD DIAMETER | 0.266 INCHES NOMINAL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.195 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 0.143 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.129 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.028 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 19200 | | DESIGN CONTROL REFERENCE | 6146880 |
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