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National Stock Number:
5306-01-337-4852
Federal Supply Class:
5306
National Item Identification Number:
013374852
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:
| 11695A04U025 | 59563 | REID PRODUCTS INC. | | 68486-4-25 | 56878 | SPS TECHNOLOGIES, LLC | | AIC2265A04U025 | 06725 | SPS TECHNOLOGIES, LLC | | BM3220-4A25 | 17446 | HUCK INTERNATIONAL, INC | | PBF1043A04U25 | 27624 | SPS TECHNOLOGIES LLC | | BM3220-4A25 | 97928 | HUCK INTL INC | | VAL23001-4D25 | 06710 | VALLEY-TODECO, INC. | | VS2980A04U25 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | STSBG002A04U025 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | FASTENER LENGTH | 2.078 INCHES MINIMUM AND 2.108 INCHES MAXIMUM | | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT | | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM | | HEAD HEIGHT | 0.300 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | MATERIAL DOCUMENT AND CLASSIFICATION | STSBS002,CAGEC 98897 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP H11 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | STSBS002,CAGEC 98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL AND NICKEL OVERALL AND CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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