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National Stock Number:
5306-00-111-1186
Federal Supply Class:
5306
National Item Identification Number:
001111186
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:
| 5306PL0714979 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 9665M50P13 | 07482 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | FASTENER LENGTH | 1.440 INCHES MINIMUM AND 1.460 INCHES MAXIMUM | | GRIP DIAMETER | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM | | GRIP LENGTH | 0.760 INCHES MINIMUM AND 0.780 INCHES MAXIMUM | | HEAD HEIGHT | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | MATERIAL DOCUMENT AND CLASSIFICATION | 718 FSCM 74900 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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