5305-00-206-8292 SCREW,MACHINE Index 7690-00-206-8318 MARKER,IDENTIFICATION

National Stock Number:
5305-00-206-8299

Federal Supply Class:
5305

National Item Identification Number:
002068299

Description:
SCREW,MACHINE

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.


Manufacturer Information:
S813ED16712SIEMENS ENERGY, INC.
S813ED59180CIRCOR PUMPS NORTH AMERICA LLC


Techincal Specification:
FASTENER LENGTH0.312 INCHES NOMINAL
HEAD DIAMETER0.438 INCHES NOMINAL
HEAD HEIGHT0.181 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.312 INCHES
SCREW MATERIALSTEEL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES MINIMUM
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNC


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