3020-01-476-6520 GUARD,MECHANICAL DRIVE Index 5940-01-476-6524 SPLICE,CONDUCTOR

National Stock Number:
5310-01-476-6521

Federal Supply Class:
5310

National Item Identification Number:
014766521

Description:
NUT,PLAIN,HEXAGON

Detail:
A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
563-7285193-753711NAVAL SEA SYSTEMS COMMAND
69-10-125096169ELECTRIC BOAT CORPORATION
728519353711NAVAL SEA SYSTEMS COMMAND
H696-1620-796169ELECTRIC BOAT CORPORATION


Techincal Specification:
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE1.250 INCHES
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH7
THREAD SERIESUNC


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