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National Stock Number:
5306-01-471-8581
Federal Supply Class:
5306
National Item Identification Number:
014718581
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.
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Manufacturer Information:
| 20-089-8024 | 97499 | BELL TEXTRON INC | | 20-089-8D24 | 06725 | SPS TECHNOLOGIES, LLC | | 20-089-8D24 | 0UCY9 | M.S. AEROSPACE INC. | | 20-089-8D24 | 16258 | SPACE-LOK, INC. | | 20-089-8D24 | 1EM77 | B & B SPECIALTIES INC | | 20-089-8D24 | 1RC86 | HOWMET GLOBAL FASTENING SYSTEMS INC | | 20-089-8D24 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 20-089-8D24 | 27624 | SPS TECHNOLOGIES LLC | | 20-089-8D24 | 56878 | SPS TECHNOLOGIES, LLC | | 20-089-8D24 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | 20-089-8D24 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.516 INCHES NOMINAL | | FASTENER LENGTH | 2.618 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 718 OVERALL | | MINIMUM TENSILE STRENGTH | 30900 POUNDS PER SQUARE INCH | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | HEAD HEIGHT | 0.050 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.772 INCHES MINIMUM | | GRIP LENGTH | 2.003 INCHES NOMINAL | | GRIP DIAMETER | 0.498 INCHES MINIMUM AND | | 0.499 INCHES MAXIMUM | | SPECIAL FEATURES | 125 KSI PSU, 900 DEGREES FAHRENHEIT, EXTERNAL WRENCHING SPINE DRIVE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY) BOLT, SHEAR | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 97499 | | MFR SOURCE CONTROLLING REFERENCE | 20-089-8D24 |
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