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National Stock Number:
5306-00-267-8910
Federal Supply Class:
5306
National Item Identification Number:
002678910
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:
| AIC220-4A10 | 06725 | SPS TECHNOLOGIES, LLC | | AIC516B4-10 | 06725 | SPS TECHNOLOGIES, LLC | | BM55132-4-10A | 17446 | HUCK INTERNATIONAL, INC | | C081-4-10 | 56878 | SPS TECHNOLOGIES, LLC | | C081-4-10 | 81755 | LOCKHEED MARTIN CORPORATION | | BM55132-4-10A | 97928 | HUCK INTL INC | | VS2521-4F10 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | GB511B4-10 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | EWSB22-4A10 | 56878 | SPS TECHNOLOGIES, LLC | | VS2521-4F10 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS2521F4-10 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.918 INCHES NOMINAL | | FEATURES PROVIDED | FINISHED HEAD | | GRIP LENGTH | 0.625 INCHES NOMINAL | | HEAD HEIGHT | 0.164 INCHES NOMINAL | | HEAD STYLE | DOUBLE HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIFICATION/STANDARD DATA | 56878-EWSB22 MANUFACTURERS STANDARD | | WIDTH BETWEEN FLATS | 0.437 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.293 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 20 |
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