2810-01-101-4423 ENGINE,AIRCRAFT,RECIPROCATING Index 5315-01-101-4426 PIN,STRAIGHT,HEADLESS

National Stock Number:
5310-01-101-4425

Federal Supply Class:
5310

National Item Identification Number:
011014425

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:
51475673030HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIALSTEEL COMP 416 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.216 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIESUNEF


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