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National Stock Number: 5305-00-053-5501
Federal Supply Class: 5305
National Item Identification Number: 000535501
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:
0N008125 | 98230 | NATIONAL SECURITY AGENCY |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | NOMINAL THREAD DIAMETER | 0.164 INCHES | THREAD QUANTITY PER INCH | 32 | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.156 INCHES MAXIMUM | FASTENER LENGTH | 0.500 INCHES MAXIMUM | MATERIAL | STEEL CORROSION RESISTING OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | HEAD STYLE | PAN NO. 2 | HEAD DIAMETER | 0.322 INCHES MAXIMUM | HEAD HEIGHT | 0.096 INCHES MAXIMUM | INTERNAL DRIVE STYLE | SLOT | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | FIRST DIAMETER FROM HEAD | 0.120 INCHES MAXIMUM | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.344 INCHES MAXIMUM | TEST DATA DOCUMENT | 98230-0N008125 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) | THE MANUFACTURERS DATA | | MANUFACTURERS CODE | 98230 | DESIGN CONTROL REFERENCE | 0N008125 |
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