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National Stock Number:
5305-01-196-5093
Federal Supply Class:
5305
National Item Identification Number:
011965093
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:
| LD111-0044-2515 | 06710 | VALLEY-TODECO, INC. | | LD111-0044-2515 | 06725 | SPS TECHNOLOGIES, LLC | | LD111-0044-2515 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | LD111-0044-2515 | 17446 | HUCK INTERNATIONAL, INC | | LD111-0044-2515 | 27624 | SPS TECHNOLOGIES LLC | | LD111-0044-2515 | 43999 | THE BOEING COMPANY | | LD111-0044-2515 | 56878 | SPS TECHNOLOGIES, LLC | | LD111-0044-2515 | 57928 | SONIC INDUSTRIES, INC. | | LD111-0044-2515 | 73197 | HI-SHEAR CORPORATION | | LD111-0044-2515 | 80539 | SPS TECHNOLOGIES, LLC | | LD111-0044-2515 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.390 INCHES MINIMUM AND 1.420 INCHES MAXIMUM | | GRIP LENGTH | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | HEAD DIAMETER | 0.578 INCHES MINIMUM AND 0.634 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SPECIAL FEATURES | INTERNAL DRIVE RIBBED | | 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 | 0.442 INCHES MINIMUM AND 0.492 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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