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National Stock Number:
5305-01-129-7600
Federal Supply Class:
5305
National Item Identification Number:
011297600
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:
| 106830-7-18 | 80539 | SPS TECHNOLOGIES, LLC | | 11905-7L18 | 59563 | REID PRODUCTS INC. | | HT4025L7-18 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | BM19037-7-18 | 17446 | HUCK INTERNATIONAL, INC | | HT295-7-18 | 73197 | HI-SHEAR CORPORATION | | BM19037-7-18 | 97928 | HUCK INTL INC | | HT4025L7-18 | 17446 | HUCK INTERNATIONAL, INC | | HT4025L7-18 | 56878 | SPS TECHNOLOGIES, LLC | | HT4025L7-18 | 73197 | HI-SHEAR CORPORATION | | HT4025L7-18 | 80539 | SPS TECHNOLOGIES, LLC | | HT4025L7-18 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4025L7-18 | 97928 | HUCK INTL INC | | HT4025L7-18 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION | | HT4025L7-18 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT8140-7-18 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M454-7L18 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | WC4025L-7-18 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M454-7L18 | 76301 | THE BOEING COMPANY | | ST3M454-7L18 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT8140-7-18 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.785 INCHES MINIMUM AND 1.815 INCHES MAXIMUM | | GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM | | GRIP DIAMETER | 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM | | HEAD DIAMETER | 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.650 INCHES MINIMUM AND 0.700 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 20 |
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