1560-01-500-0257 FITTING,STRUCTURAL COMPONENT,AIR Index 5998-01-500-0259 CIRCUIT CARD ASSEMBLY

National Stock Number:
5306-01-500-0258

Federal Supply Class:
5306

National Item Identification Number:
015000258

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:
754-7068538-1253711NAVAL SEA SYSTEMS COMMAND
H841-0402-1296169ELECTRIC BOAT CORPORATION


Techincal Specification:
FASTENER LENGTH4.160 INCHES NOMINAL
HEAD HEIGHT1.500 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY K-500 OVERALL OR NICKEL ALLOY 502 OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER2.000 INCHES
WIDTH BETWEEN FLATS3.250 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH4.160 INCHES NOMINAL
THREAD QUANTITY PER INCH12
THREAD SERIES DESIGNATORUN


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