5305-01-127-8491 SCREW,CAP,SOCKET HEAD Index 5305-01-127-8493 SCREW,CAP,HEXAGONHEAD

National Stock Number:
5305-01-127-8492

Federal Supply Class:
5305

National Item Identification Number:
011278492

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:
10115160A486GNIMIKKEISTOKESKUS NCB FINLAND
645616-1245934ONTIC ENGINEERING & MANUFACTURING, INC
645616-1299551GOODRICH CORPORATION


Techincal Specification:
COUNTERSINK ANGLE82.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
FASTENER LENGTH0.922 INCHES MINIMUM AND 0.952 INCHES MAXIMUM
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.718 INCHES MINIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


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