4730-01-494-9685 FLANGE,PIPE Index 4820-01-494-9687 BODY,VALVE

National Stock Number:
5306-01-494-9686

Federal Supply Class:
5306

National Item Identification Number:
014949686

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.


Manufacturer Information:
594-6985290-7953711NAVAL SEA SYSTEMS COMMAND
H541-0284-7996169ELECTRIC BOAT CORPORATION


Techincal Specification:
EXTENDED WASHER THICKNESS0.190 INCHES NOMINAL
EXTENDED WASHER DIAMETER1.000 INCHES NOMINAL
FASTENER LENGTH1.190 INCHES NOMINAL
HEAD HEIGHT0.680 INCHES NOMINAL
HEAD STYLESQUARE EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.625 INCHES
SPECIAL FEATURESTECH DATA NOT AUTHORIZED FOR RELEASE OUTSIDE OF U.S.; USED ON HATCH FAIRING ASSEMBLY OF NSSN CLASS SUBMARINE
WIDTH BETWEEN FLATS0.545 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.060 INCHES NOMINAL
THREAD QUANTITY PER INCH11
THREAD SERIES DESIGNATORUNC


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