5305-01-477-5622 SCREW,CLOSE TOLERANCE Index 5305-01-477-5624 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-477-5623

Federal Supply Class:
5305

National Item Identification Number:
014775623

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:
11925C6-13A59563REID PRODUCTS INC.
HT4020-6-13A06725SPS TECHNOLOGIES, LLC
HT4020-6-13A06950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4020-6-13A0PTK6SPS TECHNOLOGIES INC
HT4020-6-13A17446HUCK INTERNATIONAL, INC
HT4020-6-13A27624SPS TECHNOLOGIES LLC
ST3M652C6-13A06710VALLEY-TODECO, INC.
ST3M652C6-13A0ZC92HEARTLAND PRECISION FASTENERS INC
HT4020-6-13A56878SPS TECHNOLOGIES, LLC
HT4020-6-13A73197HI-SHEAR CORPORATION
HT4020-6-13A80539SPS TECHNOLOGIES, LLC
HT4020-6-13A92215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4020-6-13AK5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4020-6-13AL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M652C6-13A1VSL7HOUSTON PRECISION FASTENERS I LP
ST3M652C6-13A58998FASTENER INNOVATION TECHNOLOGY, INC.
WC4020-6-13A60516WEST COAST AEROSPACE, INC.
ST3M652C6-13A76301THE BOEING COMPANY


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CRITICALITY CODE JUSTIFICATIONAGAV
FASTENER LENGTH1.418 INCHES MINIMUM AND 1.505 INCHES MAXIMUM
HEAD HEIGHT0.115 INCHES MINIMUM AND 0.117 INCHES MAXIMUM
HEAD DIAMETER0.756 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.641 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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