5305-01-173-5047 SCREW,SHOULDER Index 5305-01-173-5050 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-173-5048

Federal Supply Class:
5305

National Item Identification Number:
011735048

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:
10115542A486GNIMIKKEISTOKESKUS NCB FINLAND
11907-3L17-159563REID PRODUCTS INC.
HT4024L3-1706950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L3-1717446HUCK INTERNATIONAL, INC
HT4024L3-1773197HI-SHEAR CORPORATION
HT4024L3-1780539SPS TECHNOLOGIES, LLC
ST3M455-3L17-106950HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M455-3L17-10PTK6SPS TECHNOLOGIES INC
ST3M455-3L17-10PXV4THE BOEING COMPANY
ST3M455-3L17-158998FASTENER INNOVATION TECHNOLOGY, INC.
ST3M455-3L17-160516WEST COAST AEROSPACE, INC.
ST3M455-3L17-173197HI-SHEAR CORPORATION
HT4024L3-1792215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4024L3-1797928HUCK INTL INC
ST3M455-3L17-176301THE BOEING COMPANY
ST3M455-3L17-180539SPS TECHNOLOGIES, LLC
ST3M455-3L17-1K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
ST3M455-3L17-1L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.454 INCHES MINIMUM AND 1.484 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
HEAD DIAMETER0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM
HEAD STYLEOVAL COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP XM-13 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.382 INCHES MINIMUM AND 0.432 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH32


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