5306-01-034-0984 SCREW,CLOSE TOLERANCE Index 5342-01-034-0987 RETAINER,MTG SCREW

National Stock Number:
5305-01-034-0984

Federal Supply Class:
5305

National Item Identification Number:
010340984

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:
73991H-6D220PTK6SPS TECHNOLOGIES INC
73991H-6D2256878SPS TECHNOLOGIES, LLC
73991H-6D2280539SPS TECHNOLOGIES, LLC
BM19031-6-22D17446HUCK INTERNATIONAL, INC
BM19031-6-22D97928HUCK INTL INC
HT309-6D2273197HI-SHEAR CORPORATION
HT309-6D22L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT8177-6D2292215HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M562-6D220PTK6SPS TECHNOLOGIES INC
ST3M562-6D2276301THE BOEING COMPANY
ST3M562-6D229S754HUNTINGTON VALLEY INDUSTRIES, INC.


Techincal Specification:
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATION23-105 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNJF


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