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National Stock Number: 5305-00-007-0289
Federal Supply Class: 5305
National Item Identification Number: 000070289
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:
3210143 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | NOMINAL THREAD DIAMETER | 0.112 INCHES | THREAD QUANTITY PER INCH | 40 | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.102 INCHES MINIMUM AND | | 0.111 INCHES MAXIMUM | FASTENER LENGTH | 0.217 INCHES MINIMUM AND | | 0.221 INCHES MAXIMUM | MATERIAL | IRON ALLOY 660 OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | HEAD STYLE | PAN NO. 2 | HEAD DIAMETER | 0.205 INCHES MINIMUM AND | | 0.219 INCHES MAXIMUM | HEAD HEIGHT | 0.070 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | FIRST DIAMETER FROM HEAD | 0.079 INCHES MINIMUM AND | | 0.081 INCHES MAXIMUM | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.110 INCHES MINIMUM AND | | 0.115 INCHES MAXIMUM | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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