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National Stock Number: 5305-00-020-9967
Federal Supply Class: 5305
National Item Identification Number: 000209967
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:
666163-233 | 12436 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | 666163-233 | 14100 | STROMBERG-CARLSON CORP A PLESSEY TELECOMMUNICATIONS CO |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNF | NOMINAL THREAD DIAMETER | 0.190 INCHES | THREAD QUANTITY PER INCH | 32 | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.190 INCHES MINIMUM AND | | 0.210 INCHES MAXIMUM | FASTENER LENGTH | 4.670 INCHES MINIMUM AND | | 4.690 INCHES MAXIMUM | MATERIAL | STEEL COMP 303 OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | HEAD STYLE | DOUBLE CHAMFER | HEAD DIAMETER | 0.312 INCHES NOMINAL | HEAD HEIGHT | 0.150 INCHES MINIMUM AND | | 0.170 INCHES MAXIMUM | INTERNAL DRIVE STYLE | SLOT | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | FIRST DIAMETER FROM HEAD | 0.166 INCHES NOMINAL | SECOND DIAMETER FROM HEAD | 0.156 INCHES NOMINAL | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 3.920 INCHES MINIMUM AND | | 3.940 INCHES MAXIMUM | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 4.470 INCHES MINIMUM AND | | 4.490 INCHES MAXIMUM | THE MANUFACTURERS DATA | | MANUFACTURERS CODE | 14100 | DESIGN CONTROL REFERENCE | 666163-233 |
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