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National Stock Number:
5306-01-318-5565
Federal Supply Class:
5306
National Item Identification Number:
013185565
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:
| 4070922 | 0UCY9 | M.S. AEROSPACE INC. | | 4070922 | 52661 | RTX CORPORATION | | 4070922 | 58078 | AIRTRONICS, LLC | | 4070922 | 77445 | RTX CORPORATION | | 5306PL1499179 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.4375 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.575 INCHES NOMINAL | | FASTENER LENGTH | 1.735 INCHES MINIMUM AND | | 1.755 INCHES MAXIMUM | | MATERIAL | COBALT ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7475 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.444 INCHES MINIMUM AND | | 0.464 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.678 INCHES MINIMUM AND | | 0.698 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.120 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.356 INCHES MINIMUM AND | | 0.360 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.4645 INCHES MINIMUM AND | | 0.4650 INCHES MAXIMUM | | THIRD DIAMETER FROM HEAD | 0.356 INCHES MINIMUM AND | | 0.360 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.255 INCHES MINIMUM AND | | 0.265 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.655 INCHES MINIMUM AND | | 0.665 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.160 INCHES MINIMUM AND | | 1.180 INCHES MAXIMUM | | SPECIAL FEATURES | HEAD HOLE 0.300-0.320 IN. DIA X 0.242 IN. DEEP;SURFACE FINISH ON SHANK AREAS,THREADS,AND BEARING SURFACE OF HEAD IS 32 MICROINCHES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77445 | | DESIGN CONTROL REFERENCE | 4070922 |
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