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National Stock Number:
5306-01-136-1741
Federal Supply Class:
5306
National Item Identification Number:
011361741
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:
| 1310240 | 45152 | OSHKOSH CORP | | 1310240 | 75Q65 | OSHKOSH DEFENSE LLC |
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Techincal Specification:
| DISTANCE FROM CENTERLINE TO FLAT | 0.578 INCHES NOMINAL | | FASTENER LENGTH | 3.380 INCHES NOMINAL | | GRIP DIAMETER | 1.1260 INCHES MINIMUM AND 1.1270 INCHES MAXIMUM | | GRIP LENGTH | 1.810 INCHES NOMINAL | | HEAD DIAMETER | 1.500 INCHES NOMINAL | | HEAD HEIGHT | 0.370 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4142 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 100000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 1.125 INCHES | | NONSTANDARD THREAD PITCH DIAMETER | +1.0754/+1.0824 INCHES | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD DIRECTION | LEFT-HAND | | THREAD LENGTH | 1.310 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNS |
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