5310-01-489-5955 WASHER,SPRING TENSION Index 1560-01-489-5957 SUPPORT,STRUCTURAL COMPONENT,AIR

National Stock Number:
5305-01-489-5956

Federal Supply Class:
5305

National Item Identification Number:
014895956

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:
822808-10CAM5HAMILTON SUNDSTRAND CORPORATION
822808-173030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
FASTENER LENGTH1.222 INCHES MINIMUM AND 1.292 INCHES MAXIMUM
HEAD HEIGHT0.165 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7742 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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