5305-00-310-6017 SCREW,CLOSE TOLERANCE Index 5305-00-310-6020 SCREW,MACHINE

National Stock Number:
5305-00-310-6018

Federal Supply Class:
5305

National Item Identification Number:
003106018

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:
10125146A486GNIMIKKEISTOKESKUS NCB FINLAND
11905-3L759563REID PRODUCTS INC.
HT4025L3-706725SPS TECHNOLOGIES, LLC
CHT4025-3-717419DEUTSCH CO THE
CHT4025-3-780539SPS TECHNOLOGIES, LLC
CHT4025-3-792215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L3-706950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L3-70PTK6SPS TECHNOLOGIES INC
HT4025L3-717446HUCK INTERNATIONAL, INC
HT4025L3-727624SPS TECHNOLOGIES LLC
HT4025L3-756878SPS TECHNOLOGIES, LLC
HT4025L3-773197HI-SHEAR CORPORATION
HT4025L3-780539SPS TECHNOLOGIES, LLC
HT4025L3-792215HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M454-3L7007R1TWIST TITE MFG, INC
ST3M454-3L706710VALLEY-TODECO, INC.
ST3M454-3L70ZC92HEARTLAND PRECISION FASTENERS INC
ST3M454-3L71VSL7HOUSTON PRECISION FASTENERS I LP
ST3M454-3L758998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M454L3-758998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M494-3L758998FASTENER INNOVATION TECHNOLOGY, INC.
WC4025L3-760516WEST COAST AEROSPACE, INC.
WC4025L30760518BOWE BELL AND HOWELL CO
ST3M454-3L776301THE BOEING COMPANY
HT4025L3-797928HUCK INTL INC
HT4025L3-7C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
HT4025L3-7K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4025L3-7L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
HT4025L3-7R1120SATAIR A/S


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH0.829 INCHES MINIMUM AND 0.859 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
HEAD DIAMETER0.376 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATION23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH32


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