5305-01-128-6041 SCREW,MACHINE Index 5305-01-128-6043 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-128-6042

Federal Supply Class:
5305

National Item Identification Number:
011286042

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:
8-52-09 ITEM 359U023ITW HEARTLAND COMPONENTS INC
8-52-29632386ILLINOIS TOOL WKS INC LINAC DIV
PL8-52-09 ITEM 3532386ILLINOIS TOOL WKS INC LINAC DIV
8-52-2969U023ITW HEARTLAND COMPONENTS INC


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD DIAMETER0.5500 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND


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