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National Stock Number:
5305-01-211-1476
Federal Supply Class:
5305
National Item Identification Number:
012111476
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.
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Manufacturer Information:
| 10113548 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 11935-3L10 | 59563 | REID PRODUCTS INC. | | CHT4057-3-10 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4057-3-10A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4057-3-10A | 17446 | HUCK INTERNATIONAL, INC | | CHT4057-3-10 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4057-3-10A | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4057-3-10A | 56878 | SPS TECHNOLOGIES, LLC | | HT4057-3-10A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | HT4057-3-10A | 60516 | WEST COAST AEROSPACE, INC. | | HT4057-3-10A | 73197 | HI-SHEAR CORPORATION | | HT4057-3-10A | 80539 | SPS TECHNOLOGIES, LLC | | HT4057-3-10A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4057-3-10A | 97928 | HUCK INTL INC | | ST3M733-3L10 | 007R1 | TWIST TITE MFG, INC | | ST3M733-3L10 | 76301 | THE BOEING COMPANY | | HT4057-3-10A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.381 INCHES MINIMUM AND | | 0.431 INCHES MAXIMUM | | FASTENER LENGTH | 1.016 INCHES MINIMUM AND | | 1.046 INCHES MAXIMUM | | MATERIAL | STEEL COMP XM-13 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TY2,CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.338 INCHES MINIMUM AND | | 0.381 INCHES MAXIMUM | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND | | 101.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | GRIP LENGTH | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND | | 0.1895 INCHES MAXIMUM | | SPECIAL FEATURES | LUBE CETYL ALCOHOL PER MIL-L-87132 TY1 GRADE B |
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