5305-00-470-8183 SCREW,CLOSE TOLERANCE Index 5305-00-470-8187 SCREW,MACHINE

National Stock Number:
5305-00-470-8185

Federal Supply Class:
5305

National Item Identification Number:
004708185

Description:
SCREW,CLOSE TOLERANCE

Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
AIC82-4-1906725SPS TECHNOLOGIES, LLC
C082-4-1906950HOWMET GLOBAL FASTENING SYSTEMS INC
SFT22-4A1956878SPS TECHNOLOGIES, LLC
SFT22-4A1980539SPS TECHNOLOGIES, LLC
C082-4-1981755LOCKHEED MARTIN CORPORATION
VS2545T4F1992215HOWMET GLOBAL FASTENING SYSTEMS INC


Techincal Specification:
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL


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