5306-01-400-0487 BOLT,MACHINE Index 5315-01-400-0489 PIN,GROOVED,HEADED

National Stock Number:
5310-01-400-0488

Federal Supply Class:
5310

National Item Identification Number:
014000488

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:
21105532753711NAVAL SEA SYSTEMS COMMAND
243-6408950 FIND 653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
MATERIALNICKEL ALLOY 400 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT4.810 INCHES NOMINAL
WIDTH ACROSS FLATS5.000 INCHES MINIMUM
BEARING SURFACE TYPECHAMFERED
THREAD SERIESUNC
NOMINAL THREAD SIZE3.250 INCHES
THREAD QUANTITY PER INCH4
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND


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