5305-00-680-7554 SCREW,MACHINE Index 5305-00-680-7557 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-680-7556

Federal Supply Class:
5305

National Item Identification Number:
006807556

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:
889880118876U S ARMY AVIATION AND MISSILE COMMAND
AN507-1024-688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
NK507-1024-626233NYLOK LLC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY LOCKING FEATURES
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM
HEAD DIAMETER0.357 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLESLOT
LOCKING FEATUREPELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1010 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD LENGTH0.261 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH24


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