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National Stock Number:
5306-01-371-2850
Federal Supply Class:
5306
National Item Identification Number:
013712850
Description:
BOLT,MACHINE
Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
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Manufacturer Information:
| BACB30LE5K18 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.575 INCHES MINIMUM AND 0.585 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM | | FASTENER LENGTH | 1.703 INCHES MINIMUM AND 1.733 INCHES MAXIMUM | | GRIP LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM | | HEAD HEIGHT | 0.309 INCHES MINIMUM AND 0.329 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | MATERIAL | IRON ALLOY 660 OVERALL | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | WIDTH BETWEEN FLATS | 0.418 INCHES MINIMUM AND 0.434 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BMS 10-85,TY I MFR REF SINGLE TREATMENT RESPONSE THREADS | | SURFACE TREATMENT | ALUMINUM THREADS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.593 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNJF | | THREAD QUANTITY PER INCH | 24 |
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