5306-01-321-2151 BOLT,WELDING Index 5306-01-321-2153 BOLT,SHEAR

National Stock Number:
5305-01-321-2152

Federal Supply Class:
5305

National Item Identification Number:
013212152

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:
724-0679-23504579AURORA PUMP A UNIT OF GENERAL SIGNAL CORP
724-0679-23510941CARVER PUMP COMPANY


Techincal Specification:
FASTENER LENGTH0.250 INCHES NOMINAL
HEAD DIAMETER0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATURESTRIP POINT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIALNICKEL ALLOY 400 FASTENER
MATERIALPLASTIC POLYAMIDE LOCKING FEATURE
III PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.164 INCHES
WIDTH ACROSS FLATS0.141 INCHES NOMINAL
THREAD LENGTH0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
THREAD CLASS28
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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