5360-00-473-1985 SPRING,HELICAL,COMPRESSION Index 5280-00-473-1993 GAGE SET,INSPECTION

National Stock Number:
5305-00-473-1992

Federal Supply Class:
5305

National Item Identification Number:
004731992

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:
228-62-01264ALT4PC3180064NAVAL SHIP SYSTEMS COMMAND
285-45-65ALT4PC3180064NAVAL SHIP SYSTEMS COMMAND
547-59E93PC3114921CRAMP SHIPBUILDING AND DRYDOCK CO
5950-285PC3181316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY FASTENER LENGTH AND THREAD LENGTH AND MATERIAL AND THREAD CLASS
FASTENER LENGTH3.250 INCHES NOMINAL
HEAD DIAMETER0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM
HEAD HEIGHT0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM
HEAD STYLEROUND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.190 INCHES
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1S STYLE
SCREW MATERIALCOPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OR COPPER ALLOY 462
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH3.250 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNC


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