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National Stock Number:
5306-01-614-9520
Federal Supply Class:
5306
National Item Identification Number:
016149520
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:
| STSBG004A16U089 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 1.0000 INCHES | | THREAD QUANTITY PER INCH | E12 | | THREAD CLASS | Y3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.399 INCHES NOMINAL | | FASTENER LENGTH | 8.885 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | STSBS003 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.712 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 1.200 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 1.580 INCHES MINIMUM AND | | 1.590 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.240 INCHES NOMINAL | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 4 | | HOLE DIAMETER | 0.125 INCHES NOMINAL | | GRIP LENGTH | 6.774 INCHES NOMINAL | | GRIP DIAMETER | 0.9976 INCHES MINIMUM AND | | 0.9982 INCHES MAXIMUM | | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT | | SPECIAL FEATURES | MATERIAL H-11 STEEL PER STSBS003 ; HEAT TREATMENT 260 KSI FTU MIN PER STSBS003; FINISH POST CHROMATE TREATED DIFFUSED NICKEL CADMIUM PLATING | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT-TENSION, EXTERNAL WRENCHING , 12-POINT, LIGHTWEIGHT, 260 KSI FTU STEEL, 900 DEG F |
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