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National Stock Number:
5306-00-207-6882
Federal Supply Class:
5306
National Item Identification Number:
002076882
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:
| 202054 | 77445 | RTX CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.678 INCHES MINIMUM AND | | 0.758 INCHES MAXIMUM | | FASTENER LENGTH | 1.240 INCHES MINIMUM AND | | 1.260 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8740 OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 32.0 ROCKWELL C MAXIMUM OVERALL | | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.334 INCHES MINIMUM AND | | 0.354 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.362 INCHES MINIMUM AND | | 0.377 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND | | 0.510 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM AND | | 0.090 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.276 INCHES MINIMUM AND | | 0.286 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.502 INCHES MINIMUM AND | | 0.562 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77445 | | DESIGN CONTROL REFERENCE | 202054 |
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