5305-01-172-6453 SCREW,EXTERNALLY RELIEVED BODY Index 5330-01-172-6456 O-RING

National Stock Number:
5305-01-172-6455

Federal Supply Class:
5305

National Item Identification Number:
011726455

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
24453-0206161888TCM AMERICA, INC SC


Techincal Specification:
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER12.0 MILLIMETERS
WIDTH BETWEEN FLATS17.0 MILLIMETERS NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH27.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATORM
THREAD PITCH IN MILLIMETERS1.25
EXTERNAL THREAD TOLERANCE CLASS6G
FASTENER LENGTH50.00 MILLIMETERS NOMINAL
HARDNESS RATING28.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT8.0 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL


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