5340-01-391-6989 CLAMP,BLOCK Index 5340-01-391-6991 HINGE,BUTT

National Stock Number:
5305-01-391-6990

Federal Supply Class:
5305

National Item Identification Number:
013916990

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:
A320A025-040788818KEARFOTT CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.219 INCHES MINIMUM
FASTENER LENGTH0.422 INCHES MINIMUM AND
0.454 INCHES MAXIMUM
MATERIALSTEEL COMP 305 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A493 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.176 INCHES MINIMUM AND
0.183 INCHES MAXIMUM
HEAD HEIGHT0.108 INCHES MINIMUM AND
0.112 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.094 INCHES NOMINAL


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