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National Stock Number:
5305-01-516-0979
Federal Supply Class:
5305
National Item Identification Number:
015160979
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:
| LE111-0033 | 06725 | SPS TECHNOLOGIES, LLC | | LE111-0033-2302 | 06725 | SPS TECHNOLOGIES, LLC | | LE111-0033-2302 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | LE111-0033-2302 | 27624 | SPS TECHNOLOGIES LLC | | LE111-0033-2302 | 43999 | THE BOEING COMPANY | | LE111-0033-2302 | 57928 | SONIC INDUSTRIES, INC. | | LE111-0033-2302 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | | LE111-0033-2302 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | LE111-0033-2302 | 73197 | HI-SHEAR CORPORATION | | LE111-0033-2302 | 80539 | SPS TECHNOLOGIES, LLC | | LE111-0033-2302 | 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 | 0.449 INCHES MINIMUM AND 0.479 INCHES MAXIMUM | | GRIP DIAMETER | 0.1870 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM | | GRIP LENGTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM | | HEAD DIAMETER | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.328 INCHES MINIMUM AND 0.348 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJF |
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