5340-01-420-8874 PLATE,MOUNTING Index 5310-01-420-8876 NUT,PLAIN,HEXAGON

National Stock Number:
5306-01-420-8875

Federal Supply Class:
5306

National Item Identification Number:
014208875

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.


Manufacturer Information:
1339AS516-3088A2C SYSTEMS LLC DBA CRAIG SYSTEMS DBA EASTERN TECHNOLOGIES
1339AS516-329381GICHNER SYSTEMS GROUP, INC.
1339AS516-330003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.625 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
FIRST DIAMETER FROM HEAD0.625 INCHES NOMINAL
HARDNESS RATING40.0 ROCKWELL C MINIMUM OVERALL
HEAD HEIGHT0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONFED 66, 300 SERIES FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL OVERALL
MINIMUM YIELD STRENGTH30000 POUNDS PER SQUARE INCH
MINIMUM TENSILE STRENGTH70000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.750 INCHES
SPECIAL FEATURESALTERED FROM MS35307-488, NSN 5305012736459
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.531 INCHES MINIMUM AND 1.625 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH10
WIDTH BETWEEN FLATS1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM


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