5306-01-167-2404 BOLT,CLOSE TOLERANCE Index 5305-01-167-2406 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-167-2405

Federal Supply Class:
5305

National Item Identification Number:
011672405

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:
10115508A486GNIMIKKEISTOKESKUS NCB FINLAND
11905-5L-759563REID PRODUCTS INC.
HT4025L5-717446HUCK INTERNATIONAL, INC
HT4025L5-756878SPS TECHNOLOGIES, LLC
HT4025L5-773197HI-SHEAR CORPORATION
HT4025L5-792215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L5-797928HUCK INTL INC
HT4025L5-7L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M454-5L-706950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M454-5L-758998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M454-5L-760516WEST COAST AEROSPACE, INC.
ST3M454-5L-776301THE BOEING COMPANY
ST3M454-5L-780539SPS TECHNOLOGIES, LLC
ST3M454-5L-7K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.953 INCHES MINIMUM AND 0.983 INCHES MAXIMUM
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM
GRIP LENGTH0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
HEAD DIAMETER0.575 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH24


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