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National Stock Number:
5306-00-807-9056
Federal Supply Class:
5306
National Item Identification Number:
008079056
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:
| 727914-1 | 17772 | AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC | | 727914-1 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.377 INCHES MINIMUM AND | | 0.411 INCHES MAXIMUM | | FASTENER LENGTH | 1.855 INCHES MINIMUM AND | | 1.885 INCHES MAXIMUM | | MATERIAL | STEEL COMP 8630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050,F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | NICKEL OVERALL | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.060 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.438 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 0.355 INCHES MINIMUM AND | | 0.365 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.294 INCHES MINIMUM AND | | 1.328 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.444 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 98897 | | DESIGN CONTROL REFERENCE | 727914-1 |
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