5305-01-169-8252 SCREW,CAP,HEXAGON HEAD Index 5305-01-169-8255 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-169-8254

Federal Supply Class:
5305

National Item Identification Number:
011698254

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:
11905-3L2359563REID PRODUCTS INC.
HT4025L3-2306710VALLEY-TODECO, INC.
HT4025L3-2306950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L3-2317446HUCK INTERNATIONAL, INC
HT4025L3-2356878SPS TECHNOLOGIES, LLC
HT4025L3-2373197HI-SHEAR CORPORATION
ST3M454-3L230ZC92HEARTLAND PRECISION FASTENERS INC
ST3M454-3L2317446HUCK INTERNATIONAL, INC
HT4025L3-2380539SPS TECHNOLOGIES, LLC
HT4025L3-2392215HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M454-3L1292215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4025L3-2397928HUCK INTL INC
HT4025L3-23K5673SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
HT4025L3-23L4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC
ST3M454-3L231VSL7HOUSTON PRECISION FASTENERS I LP
ST3M454-3L2358998FASTENER INNOVATION TECHNOLOGY, INC.
WC4025L-3-2360516WEST COAST AEROSPACE, INC.
ST3M454-3L2376301THE BOEING COMPANY
ST3M454-3L2397928HUCK INTL INC


Techincal Specification:
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH1.829 INCHES MINIMUM AND 1.859 INCHES MAXIMUM
GRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM
HEAD DIAMETER0.376 INCHES MINIMUM AND 0.385 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 DIAMETER0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH32


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