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National Stock Number:
5306-01-618-6781
Federal Supply Class:
5306
National Item Identification Number:
016186781
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:
| 20-131-1 | 06710 | VALLEY-TODECO, INC. | | 20-131-1 | 06725 | SPS TECHNOLOGIES, LLC | | 20-131-1 | 0K6Z0 | SATURN FASTENERS INC | | 20-131-1 | 0UCY9 | M.S. AEROSPACE INC. | | 20-131-1 | 16258 | SPACE-LOK, INC. | | 20-131-1 | 1CNU4 | JOHN HASSALL LLC | | 20-131-1 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | | 20-131-1 | 27624 | SPS TECHNOLOGIES LLC | | 20-131-1 | 3N278 | BRIARWOOD FASTENERS, INC. | | 20-131-1 | 56878 | SPS TECHNOLOGIES, LLC | | 20-131-1 | 59563 | REID PRODUCTS INC. | | 20-131-1 | 97499 | BELL TEXTRON INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.960 INCHES NOMINAL | | FASTENER LENGTH | 1.435 INCHES MINIMUM AND | | 1.465 INCHES MAXIMUM | | MATERIAL | COBALT COMP MP-35-N OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5844 (UNS R30035) ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.188 INCHES MINIMUM AND | | 0.203 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.554 INCHES MINIMUM AND | | 0.564 INCHES MAXIMUM | | CHAMFER ANGLE | 10.0 DEGREES MINIMUM AND | | 20.0 DEGREES MAXIMUM | | HOLE CONFIGURATION STYLE | HEXAGON CORNERS | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 3 | | HOLE DIAMETER | 0.070 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | | GRIP LENGTH | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | GRIP DIAMETER | 0.3735 INCHES MINIMUM AND | | 0.3745 INCHES MAXIMUM | | FEATURES PROVIDED | DRY FILM LUBRICANT | | SPECIAL FEATURES | THIS BOLT INTENDED TO BE USED FOR PURPOSE OF PROVIDING PRELOAD IN CONJUNCTION WITH A MAST NUT IN ROTOR SYSTEMS SHOULD NOT BE USED IN STANDARD SHEAR/TENSION APPLICATIONS; SEE DRAWING FOR THREAD AND PITCH DETAILS | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,HEX HEAD, SPECIAL THREAD LENGTHS, COBALT-NICKEL ALLOY MP35N, 260 KSI FTU, (MAST NUT APPLICATIONS) | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 97499 | | MFR SOURCE CONTROLLING REFERENCE | 20-131-1 |
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