4520-01-450-6199 HEATER,WATER,ELECTRIC Index 1005-01-450-6201 GUN,AUTOMATIC,25 MILLIMETER

National Stock Number:
5310-01-450-6200

Federal Supply Class:
5310

National Item Identification Number:
014506200

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:
123-4403552 PIECE 3543689HUNTINGTON INGALLS INC
124-4322651 PC 3253711NAVAL SEA SYSTEMS COMMAND
8100-1256-0262 PC 8870876BATH IRON WORKS CORPORATION


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281, CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
NOMINAL THREAD SIZE0.750 INCHES
NUT HEIGHT0.710 INCHES MINIMUM AND 0.758 INCHES MAXIMUM
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH10
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS1.212 INCHES MINIMUM AND 1.250 INCHES MAXIMUM


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