5305-00-754-4297 SCREW,MACHINE Index 5310-00-754-4299 NUT,PLAIN,HEXAGON

National Stock Number:
5305-00-754-4298

Federal Supply Class:
5305

National Item Identification Number:
007544298

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:
905605918876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
FASTENER LENGTH0.531 INCHES NOMINAL
HEAD DIAMETER0.215 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
HEAD HEIGHT0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH115000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.138 INCHES
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE
SCREW MATERIALSTEEL COMP 303
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.531 INCHES MAXIMUM
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNF


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