5305-00-253-5278 SCREW,CAP,HEXAGON HEAD Index 5305-00-253-5282 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-253-5281

Federal Supply Class:
5305

National Item Identification Number:
002535281

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:
1611202PC4910001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
AQM63FS832-10ZR26233NYLOK LLC


Techincal Specification:
FASTENER LENGTH0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
HEAD DIAMETER0.298 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD HEIGHT0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIALSTEEL COMP 4037 OR STEEL COMP 4042 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
WIDTH ACROSS FLATS0.093 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.547 INCHES MINIMUM AND 0.641 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32


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