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National Stock Number: 5305-01-037-0749
Federal Supply Class: 5305
National Item Identification Number: 010370749
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:
0N199360 | 98230 | NATIONAL SECURITY AGENCY |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | NOMINAL THREAD DIAMETER | 0.138 INCHES | THREAD QUANTITY PER INCH | 32 | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.160 INCHES NOMINAL | FASTENER LENGTH | 0.500 INCHES NOMINAL | MATERIAL | STEEL CORROSION RESISTING OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | SURFACE TREATMENT | OXIDE OVERALL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | MINIMUM TENSILE STRENGTH | 730 POUNDS PER SQUARE INCH | HEAD STYLE | FILLISTER | HEAD DIAMETER | 0.256 INCHES MINIMUM AND | | 0.270 INCHES MAXIMUM | HEAD HEIGHT | 0.087 INCHES MINIMUM AND | | 0.097 INCHES MAXIMUM | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | TEST DATA DOCUMENT | 98230-0N199360 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 | 0N199360 |
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