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National Stock Number:
5305-01-493-8944
Federal Supply Class:
5305
National Item Identification Number:
014938944
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:
| 4148 | 04729 | UNICORP. | | 9454159 | 98750 | SAN ANTONIO AIR LOGISTICS CENTER | | 9454159 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER | | 9454159-1 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER |
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Techincal Specification:
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.937 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.175 INCHES MAXIMUM | | HEAD DIAMETER | 0.562 INCHES MAXIMUM | | HEAD HEIGHT | 0.250 INCHES MAXIMUM | | HEAD STYLE | FLAT FILLISTER | | INTERNAL DRIVE STYLE | SLOT | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HARDWARE, CAPTIVE | | MATERIAL | STEEL COMP 302 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIAL FEATURES | IDENTIFY IN ACCORDANCE WITH MIL-STD-130; FASTENER FINISH DACROTIZED PLUS BRIGHT METALLIC ORGANIC COATING | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.375 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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