5305-01-183-3991 SCREW,MACHINE Index 5305-01-183-3994 SCREW,MACHINE

National Stock Number:
5305-01-183-3993

Federal Supply Class:
5305

National Item Identification Number:
011833993

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:
1H238711083CATERPILLAR INC
1H2387U3353ALSTOM POWER LTD


Techincal Specification:
FASTENER LENGTH0.418 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIALSTEEL
THREAD CLASS2A
THREAD LENGTH0.376 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNC
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.340 INCHES MAXIMUM


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