5305-00-061-9136 SCREW,CAP,SOCKET HEAD Index 5305-00-061-9139 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-00-061-9137

Federal Supply Class:
5305

National Item Identification Number:
000619137

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:
AS104-04-1684256AVIBANK MFG., INC.
CA2730-4-1629372HOWMET GLOBAL FASTENING SYSTEMS INC.


Techincal Specification:
FASTENER LENGTH1.438 INCHES NOMINAL
HEAD DIAMETER0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM
HEAD HEIGHT0.253 INCHES MINIMUM AND 0.273 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 630 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.1875 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.300 INCHES NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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