5305-00-023-7636 SETSCREW Index 5305-00-023-7638 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-023-7637

Federal Supply Class:
5305

National Item Identification Number:
000237637

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:
206-32-2100481413BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
206-32-2100488818KEARFOTT CORPORATION


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.375 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.625 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.082 INCHES NOMINAL
HEAD HEIGHT0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
HEAD DIAMETER0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
NOMINAL THREAD DIAMETER0.112 INCHES
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD LENGTH0.250 INCHES MINIMUM
THREAD DIRECTIONRIGHT-HAND


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