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National Stock Number:
5306-01-319-3625
Federal Supply Class:
5306
National Item Identification Number:
013193625
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:
| 4074021 | 77445 | RTX CORPORATION | | 5306PL1499213 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.315 INCHES NOMINAL | | FASTENER LENGTH | 0.715 INCHES MINIMUM AND | | 0.735 INCHES MAXIMUM | | MATERIAL | NICKEL ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 747 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | TEE NO. 6 | | HEAD HEIGHT | 0.155 INCHES MINIMUM AND | | 0.165 INCHES MAXIMUM | | HEAD LENGTH | 0.650 INCHES MINIMUM AND | | 0.670 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.420 INCHES MINIMUM AND | | 0.430 INCHES MAXIMUM | | CHAMFER ANGLE | 48.0 DEGREES MINIMUM AND | | 52.0 DEGREES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.194 INCHES MINIMUM AND | | 0.198 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.400 INCHES MINIMUM AND | | 0.420 INCHES MAXIMUM | | SPECIAL FEATURES | BOTTOM OF HEAD IS CHAMFERED ON ALL FOUR SIDES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77445 | | DESIGN CONTROL REFERENCE | 4074021 |
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