5306-01-447-1326 BOLT,SHEAR Index 5305-01-447-1328 SCREW,MACHINE

National Stock Number:
5305-01-447-1327

Federal Supply Class:
5305

National Item Identification Number:
014471327

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:
3/8-16UNC-2A X 2 1/4 LG53711NAVAL SEA SYSTEMS COMMAND
3/8-16UNC-2A X 2 1/4 LG80204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
701-4323673 P/N 4453711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.210 INCHES MINIMUM AND
1.560 INCHES MAXIMUM
FASTENER LENGTH2.210 INCHES MINIMUM AND
2.250 INCHES MAXIMUM
MATERIALSTEEL UNS K03104 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.550 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.312 INCHES NOMINAL


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