5310-01-532-8890 WASHER,LOCK Index 5310-01-532-8892 WASHER,LOCK

National Stock Number:
5305-01-532-8891

Federal Supply Class:
5305

National Item Identification Number:
015328891

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:
23-11352-20264678DAIMLER TRUCK NORTH AMERICA LLC


Techincal Specification:
HEAD DIAMETER0.419 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
HEAD HEIGHT0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
THREAD CLASS2A
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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