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National Stock Number:
5306-01-315-4889
Federal Supply Class:
5306
National Item Identification Number:
013154889
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:
| 5306PL1499158 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | ST2520-09 | 52661 | RTX CORPORATION | | ST2520-09 | 77445 | RTX CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.820 INCHES MINIMUM AND | | 0.923 INCHES MAXIMUM | | FASTENER LENGTH | 0.928 INCHES MINIMUM AND | | 0.948 INCHES MAXIMUM | | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7461 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | HEAD HEIGHT | 0.373 INCHES MINIMUM AND | | 0.393 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.4375 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.552 INCHES MINIMUM AND | | 0.572 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.090 INCHES MINIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.343 INCHES MINIMUM AND | | 0.353 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.025 INCHES MINIMUM AND | | 0.108 INCHES MAXIMUM | | SPECIAL FEATURES | SURFACE ON GRIP AND BEARING SURFACE OF HEAD 32 MICRINCHES; THREADS AND WASHER FACE COATED PWA 550-3 AGEC 77445 |
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