5305-00-007-0288 SCREW,CAP,SOCKET HEAD Index 5305-00-007-0290 SCREW,MACHINE

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.


Manufacturer Information:
321014382577RAYTHEON COMPANY


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.102 INCHES MINIMUM AND
0.111 INCHES MAXIMUM
FASTENER LENGTH0.217 INCHES MINIMUM AND
0.221 INCHES MAXIMUM
MATERIALIRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEPAN NO. 2
HEAD DIAMETER0.205 INCHES MINIMUM AND
0.219 INCHES MAXIMUM
HEAD HEIGHT0.070 INCHES MINIMUM AND
0.080 INCHES MAXIMUM
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FIRST DIAMETER FROM HEAD0.079 INCHES MINIMUM AND
0.081 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.110 INCHES MINIMUM AND
0.115 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT


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