5330-01-522-1744 GASKET Index 4820-01-522-1746 VALVE,SAFETY RELIEF

National Stock Number:
5305-01-522-1745

Federal Supply Class:
5305

National Item Identification Number:
015221745

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
7226366-353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD DIAMETER0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
HEAD HEIGHT0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.112 INCHES
SPECIAL FEATURESMODIFIED FROM MS16995-11
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.0937 INCHES MINIMUM AND 0.0952 INCHES MAXIMUM


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