5305-01-045-0081 SCREW,ASSEMBLED WASHER Index 5305-01-045-0083 SETSCREW

National Stock Number:
5306-01-045-0082

Federal Supply Class:
5306

National Item Identification Number:
010450082

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
941937616004DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC
94193765RQL2DRS ENVIRONMENTAL SYSTEMS INC
941937692878HDT EXPEDITIONARY SYSTEMS INC


Techincal Specification:
EXTENDED WASHER THICKNESS0.095 INCHES NOMINAL
EXTENDED WASHER DIAMETER0.607 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FASTENER LENGTH0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.233 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
LOCKING FEATURELOCKING TEETH HEAD
MATERIALSTEEL COMP 1018 OR STEEL COMP 1021 OR STEEL COMP 1022 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURES24 SERRATIONS ON WASHER
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SURFACE TREATMENTZINC OR NICKEL OR CADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.840 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH20


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