5305-00-638-7320 SCREW,MACHINE Index 5305-00-638-7329 SCREW,MACHINE

National Stock Number:
5305-00-638-7327

Federal Supply Class:
5305

National Item Identification Number:
006387327

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:
9984204773GTE COMMUNICATION SYSTEMS CORP
9984257712TELEMECHANICS INC


Techincal Specification:
FASTENER LENGTH1.750 INCHES NOMINAL
HEAD DIAMETER0.266 INCHES NOMINAL
HEAD HEIGHT0.062 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
NOMINAL THREAD DIAMETER0.138 INCHES
SCREW MATERIALCOPPER ALLOY
SCREW SURFACE TREATMENTCHROMATE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.688 INCHES MINIMUM


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