5305-01-187-7944 SCREW,MACHINE Index 5305-01-187-7946 SETSCREW

National Stock Number:
5305-01-187-7945

Federal Supply Class:
5305

National Item Identification Number:
011877945

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:
BACS12BG048BP381205THE BOEING COMPANY
BACS12BG04B381205THE BOEING COMPANY


Techincal Specification:
FASTENER LENGTH0.158 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HEAD DIAMETER0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLEHIGH-TORQUE
LOCKING FEATUREPATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONNAS 498 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD LENGTH0.158 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNJC
THREAD QUANTITY PER INCH40


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