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National Stock Number:
5306-01-244-5941
Federal Supply Class:
5306
National Item Identification Number:
012445941
Description:
BOLT,EXTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
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Manufacturer Information:
| 1441M12P01 | 06710 | VALLEY-TODECO, INC. | | 1441M12P01 | 07482 | GENERAL ELECTRIC COMPANY | | 1441M12P01 | 0HL40 | MECAIR AEROSPACE INDUSTRIES SUBSIDIARY OF SPS TECHNOLOGIES DIV D SPS TECHNOLOGIES DBA MECAIR INC. | | 1441M12P01 | 0UCY9 | M.S. AEROSPACE INC. | | 1441M12P01 | 27238 | BRISTOL INDUSTRIES, LLC | | 1441M12P01 | 2T498 | MORTON GRINDING, INC | | 1441M12P01 | 4GP55 | ACUFAST AIRCRAFT PRODUCTS |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.3125 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.530 INCHES MINIMUM AND | | 0.550 INCHES MAXIMUM | | FASTENER LENGTH | 0.940 INCHES MINIMUM AND | | 0.960 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER | | HEAD HEIGHT | 0.373 INCHES MINIMUM AND | | 0.392 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.375 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.550 INCHES MINIMUM AND | | 0.570 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM AND | | 0.090 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 3 | | FIRST DIAMETER FROM HEAD | 0.302 INCHES MINIMUM AND | | 0.308 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.319 INCHES MINIMUM AND | | 0.321 INCHES MAXIMUM | | THIRD DIAMETER FROM HEAD | 0.280 INCHES MINIMUM AND | | 0.290 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.060 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.190 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.390 INCHES MINIMUM AND | | 0.430 INCHES MAXIMUM |
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