5331-01-530-8248 O-RING Index 5998-01-530-8250 CIRCUIT CARD ASSEMBLY

National Stock Number:
5305-01-530-8249

Federal Supply Class:
5305

National Item Identification Number:
015308249

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:
NAS1352C3H2801534RAYTHEON COMPANY


Techincal Specification:
FASTENER LENGTH1.750 INCHES NOMINAL
HEAD DIAMETER0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
HOLE CONFIGURATION STYLEROUND INTERNAL HEXAGON
HOLE DIAMETER0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
HOLE QUANTITY6
HOLE TYPEDRILLED
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.190 INCHES
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.875 INCHES MINIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNRC


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