|
|
|
National Stock Number:
5306-00-062-4258
Federal Supply Class:
5306
National Item Identification Number:
000624258
Description:
BOLT,SHEAR
Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.
|
Manufacturer Information:
| 3M48-4-6 | 56878 | SPS TECHNOLOGIES, LLC | | 3M48-4-6 | 76301 | THE BOEING COMPANY | | 3M48-4-6 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT408-4-6 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4U-6 | 73197 | HI-SHEAR CORPORATION | | HT4U-6 | C4293 | ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH | | HT4U-6 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | HT4U-6 | R1120 | SATAIR A/S |
|
Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.844 INCHES NOMINAL | | GRIP DIAMETER | 0.2435 INCHES MINIMUM AND 0.2445 INCHES MAXIMUM | | GRIP LENGTH | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM | | HEAD DIAMETER | 0.5018 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | MATERIAL | STEEL COMP 4150 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.469 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
|
|