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National Stock Number:
5306-01-350-5314
Federal Supply Class:
5306
National Item Identification Number:
013505314
Description:
BOLT,CLOSE TOLERANCE
Detail:
An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see BOLT, SHEAR. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see BOLT, MACHINE.
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Manufacturer Information:
| 83048C10H-40 | 56878 | SPS TECHNOLOGIES, LLC | | GB511FG10C40H | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | PBF1549-10C40H | 27624 | SPS TECHNOLOGIES LLC |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 1.185 INCHES MINIMUM AND 1.195 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.125 INCHES NOMINAL | | FASTENER LENGTH | 3.637 INCHES MINIMUM AND 3.667 INCHES MAXIMUM | | GRIP DIAMETER | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM | | GRIP LENGTH | 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM | | HEAD HEIGHT | 0.673 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HOLE DIAMETER | 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | | HOLE QUANTITY | 4 | | HOLE TYPE | DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COBALT COMP MP-35-N OVERALL | | MINIMUM TENSILE STRENGTH | 260000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.625 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | WIDTH BETWEEN FLATS | 0.917 INCHES MINIMUM | | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.152 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 18 |
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