5305-01-521-3265 SCREW,CLOSE TOLERANCE Index 5305-01-521-3267 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-521-3266

Federal Supply Class:
5305

National Item Identification Number:
015213266

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:
BACB30NT3K806710VALLEY-TODECO, INC.
BACB30NT3K806950HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30NT3K817446HUCK INTERNATIONAL, INC
BACB30NT3K81RC86HOWMET GLOBAL FASTENING SYSTEMS INC
BACB30NT3K827624SPS TECHNOLOGIES LLC
BACB30NT3K873197HI-SHEAR CORPORATION
BACB30NT3K881205THE BOEING COMPANY
BACB30NT3K8Z03F0BOEING DEFENCE AUSTRALIA LTD
BACB30NT3K8Z8T75BOEING DEFENCE AUSTRALIA LTD


Techincal Specification:
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT
PROPRIETARY CHARACTERISTICSPACS
SPECIAL FEATURESPARTS CATALOG BOE1970 25-66-03-01 NUMBER 185


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