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National Stock Number:
5306-01-500-0497
Federal Supply Class:
5306
National Item Identification Number:
015000497
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:
| NAS1790-4R18D | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.425 INCHES NOMINAL | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.535 INCHES MINIMUM AND 1.565 INCHES MAXIMUM | | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM | | GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM | | HEAD DIAMETER | 0.464 INCHES MINIMUM AND 0.506 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | HOLE QUANTITY | 1 | | NOMINAL THREAD DIAMETER | 0.2500 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 100 DEG FLUSH HEAD | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR AMS6415 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY II, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL |
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