5305-00-639-4739 SCREW,MACHINE Index 5305-00-639-4747 SCREW,MACHINE

National Stock Number:
5305-00-639-4740

Federal Supply Class:
5305

National Item Identification Number:
006394740

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:
4F230311083CATERPILLAR INC
SD5219601843AMBAC INTERNATIONAL CORPORATION
SD5219624956UNITED TECHNOLOGIES CORP ELECTRO SYSTEMS INC


Techincal Specification:
FASTENER LENGTH1.172 INCHES NOMINAL
HEAD HEIGHT0.406 INCHES NOMINAL
HEAD STYLESQUARE
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.164 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633,COMP B1113 FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENTZINC
SPECIAL FEATURESONE TAPPED HOLE
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES MINIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNC


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