3990-01-518-5209 TENSIONER ASSEMBLY Index 3990-01-518-5211 TENSIONER ASSEMBLY

National Stock Number:
5305-01-518-5210

Federal Supply Class:
5305

National Item Identification Number:
015185210

Description:
SCREW,CAP,HEXAGON HEAD

Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
6390905 FIND 07353711NAVAL SEA SYSTEMS COMMAND
6393070-1031442NORTHROP GRUMMAN SYSTEMS CORPORATION
6393070-1053711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.270 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH1.440 INCHES NOMINAL
HEAD HEIGHT0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5664 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 718 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.500 INCHES
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURESDISTRIBUTION STATEMENT D - DATA EXPORT RESTRICTED;FINISH - ALUMIZITE "Z" OR "ZD"
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNRC


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