5305-01-170-8502 SCREW,CLOSE TOLERANCE Index 5305-01-170-8505 SCREW,CLOSE TOLERANCE

National Stock Number:
5305-01-170-8503

Federal Supply Class:
5305

National Item Identification Number:
011708503

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:
11885-3-8/11885-3L859563REID PRODUCTS INC.
3M927-3-876301THE BOEING COMPANY
3M927-3L8007R1TWIST TITE MFG, INC
3M927-3L806710VALLEY-TODECO, INC.
3M927-3L806725SPS TECHNOLOGIES, LLC
3M927-3L806950HOWMET GLOBAL FASTENING SYSTEMS INC
3M927-3L80K6Z0SATURN FASTENERS INC
3M927-3L80ZC92HEARTLAND PRECISION FASTENERS INC
3M927-3L81VSL7HOUSTON PRECISION FASTENERS I LP
3M927-3L827624SPS TECHNOLOGIES LLC
3M927-3L84WL75CAMCAR LLC DIV CAMCAR LLC
3M927-3L858998FASTENER INNOVATION TECHNOLOGY, INC.
3M927-3L859563REID PRODUCTS INC.
3M927-3L860516WEST COAST AEROSPACE, INC.
HT4069-3-806950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4069-3-8A06950HOWMET GLOBAL FASTENING SYSTEMS INC
HT4069-3-817446HUCK INTERNATIONAL, INC
HT4069-3-8A1RC86HOWMET GLOBAL FASTENING SYSTEMS INC
HT4069-3-8A56878SPS TECHNOLOGIES, LLC
HT4069-3-856878SPS TECHNOLOGIES, LLC
WC4069-3-860516WEST COAST AEROSPACE, INC.
HT4069-3-8A73197HI-SHEAR CORPORATION
HT4069-3-873197HI-SHEAR CORPORATION
3M927-3L876301THE BOEING COMPANY
HT4069-3-8A80539SPS TECHNOLOGIES, LLC
HT4069-3-880539SPS TECHNOLOGIES, LLC
HT4069-3-892215HOWMET GLOBAL FASTENING SYSTEMS INC
HT4069-3-897928HUCK INTL INC
HT4069-3-8C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH
HT4069-3-8AL4528LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC


Techincal Specification:
COUNTERSINK ANGLE101.0 DEGREES NOMINAL
FASTENER LENGTH0.891 INCHES MINIMUM AND 0.921 INCHES MAXIMUM
GRIP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD DIAMETER0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM
HEAD STYLEOVAL COUNTERSUNK
INTERNAL DRIVE STYLEHIGH-TORQUE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 718 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488 TYPE 2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTALUMINUM AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNJF


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