5305-01-145-4555 SCREW,MACHINE Index 5305-01-145-4557 SETSCREW

National Stock Number:
5305-01-145-4556

Federal Supply Class:
5305

National Item Identification Number:
011454556

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:
NKS27039C080626233NYLOK LLC


Techincal Specification:
FASTENER LENGTH0.391 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.164 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.329 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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