5305-01-409-0180 SCREW,MACHINE Index 5310-01-409-0182 WASHER,SHOULDERED

National Stock Number:
5305-01-409-0181

Federal Supply Class:
5305

National Item Identification Number:
014090181

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:
15958724617GENERAL MOTORS CORP
1595877X677GENERAL MOTORS LLC


Techincal Specification:
FASTENER LENGTH0.438 INCHES NOMINAL
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.164 INCHES
SCREW MATERIALSTEEL COMP 1010 OR STEEL COMP 1020
SCREW SURFACE TREATMENTCADMIUM OR ZINC
THREAD LENGTH0.376 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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