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National Stock Number:
5306-01-125-1173
Federal Supply Class:
5306
National Item Identification Number:
011251173
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:
| 10115772 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | MC15467 | 04836 | JAMAICA BEARINGS CO., INC. | | MC15467 | 76050 | EATON AEROSPACE LLC M C AEROSPACE DIV DBA STERER ENGINEERING |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | FASTENER LENGTH | 2.660 INCHES MINIMUM AND | | 2.690 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OR | | STEEL COMP 303SE OVERALL | | THREAD LENGTH | 0.455 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5640 ASSN STD ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | CHROMIUM HEAD | | CHROMIUM GRIP | | PASSIVATE THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320B,CL. 2 FED SPEC SINGLE TREATMENT RESPONSE HEAD | | QQ-C-320B,CL 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP | | MCP 39 FSCM 76050 MFR REF SINGLE TREATMENT RESPONSE THREADS | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND | | 0.140 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND | | 0.439 INCHES MAXIMUM | | GRIP LENGTH | 2.220 INCHES NOMINAL | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.472 INCHES MINIMUM AND | | 2.522 INCHES MAXIMUM FIRST HOLE | | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND | | 0.086 INCHES MAXIMUM FIRST HOLE | | FEATURES PROVIDED | FINISHED HEAD | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 76050 | | DESIGN CONTROL REFERENCE | MC15467 |
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