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National Stock Number:
5306-00-482-2632
Federal Supply Class:
5306
National Item Identification Number:
004822632
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:
| 3M261-4-8 | 06725 | SPS TECHNOLOGIES, LLC | | 3M261-4-8 | 17446 | HUCK INTERNATIONAL, INC | | AIC261M4-8 | 06725 | SPS TECHNOLOGIES, LLC | | 3M261-4-8 | 76301 | THE BOEING COMPANY | | 3M261-4-8 | 80539 | SPS TECHNOLOGIES, LLC | | 3M261-4-8 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.881 INCHES MINIMUM AND 0.928 INCHES MAXIMUM | | FEATURES PROVIDED | UNFINISHED HEAD | | GRIP LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | HEAD HEIGHT | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | 76301-23-105 TYPE 1 A MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | MINIMUM TENSILE STRENGTH | 6980 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.491 INCHES MINIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MAC PS13145,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.397 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNJF |
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