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National Stock Number:
5305-00-088-5555
Federal Supply Class:
5305
National Item Identification Number:
000885555
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:
| 3320-507 | 90073 | CMC ELECTRONICS INC |
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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 | 0.252 INCHES MINIMUM | | FASTENER LENGTH | 0.548 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | PAN NO. 2 | | HEAD DIAMETER | 0.450 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.280 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 0.137 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.250 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.296 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 90073 | | DESIGN CONTROL REFERENCE | 3320-507 |
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