5305-01-258-8479 SCREW,MACHINE Index 5305-01-258-8481 SCREW,MACHINE

National Stock Number:
5305-01-258-8480

Federal Supply Class:
5305

National Item Identification Number:
012588480

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:
845001A0064-901365MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE-MICC LOGISTICS OPERATIONS CENTER
J478A-0.190-24 UNC-2AX0.62L0U583SAE INTERNATIONAL
J478A-0.190-24 UNC-2AX0.62L81343SOCIETY OF AUTOMOTIVE ENGINEERS INC
SAE J478A-0.190-24 UNC-2AX0.62L81343SOCIETY OF AUTOMOTIVE ENGINEERS INC


Techincal Specification:
EXTENDED WASHER THICKNESS0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
FASTENER LENGTH0.620 INCHES NOMINAL
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.190 INCHES
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.537 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNC


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