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National Stock Number:
5305-01-369-2266
Federal Supply Class:
5305
National Item Identification Number:
013692266
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:
| HT4054-5-10 | 73197 | HI-SHEAR CORPORATION | | HT4054-5-10 | 80539 | SPS TECHNOLOGIES, LLC | | HT4054-5-10A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4054-5-10A | 0PTK6 | SPS TECHNOLOGIES INC | | HT4054-5-10 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4054-5-10 | 97928 | HUCK INTL INC | | ST3M730-5L10 | 007R1 | TWIST TITE MFG, INC | | HT4054-5-10A | 17446 | HUCK INTERNATIONAL, INC | | ST3M730-5L10 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | HT4054-5-10A | 73197 | HI-SHEAR CORPORATION | | HT4054-5-10A | 80539 | SPS TECHNOLOGIES, LLC | | HT4054-5-10A | 97928 | HUCK INTL INC | | HT4054-5-10A | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4054-5-10A | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | WC4054-5-10A | 60516 | WEST COAST AEROSPACE, INC. | | ST3M730-5L10 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM | | GRIP LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM | | GRIP DIAMETER | 0.5387 INCHES MINIMUM AND 0.5389 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.578 INCHES MINIMUM AND 0.634 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 8740 OVERALL | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 TY2 CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.469 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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