5305-00-147-2654 SCREW,MACHINE Index 5305-00-147-2657 SCREW,MACHINE

National Stock Number:
5305-00-147-2655

Federal Supply Class:
5305

National Item Identification Number:
001472655

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:
1610700198PRATT & WHITNEY CANADA CORP
1610777445RTX CORPORATION


Techincal Specification:
FASTENER LENGTH0.812 INCHES NOMINAL
HEAD DIAMETER0.250 INCHES NOMINAL
HEAD HEIGHT0.204 INCHES NOMINAL
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURES2 DRILLED HOLES IN HEAD
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6312 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6448 ASSN STD 3RD MATERIAL RESPONSE
SCREW SURFACE TREATMENTCADMIUM
SCREW MATERIALSTEEL COMP 8735 OR STEEL COMP 4640 OR STEEL COMP 6150
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.562 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNC


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