5325-00-559-0637 RING,RETAINING Index 5325-00-559-0641 GROMMET,NONMETALLIC

National Stock Number:
5310-00-559-0638

Federal Supply Class:
5310

National Item Identification Number:
005590638

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:
338D170AHP5CURTISS-WRIGHT CONTROLS, INC.
AN924-16C88044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MILF550981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS24400C1696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE1.312 INCHES
NUT HEIGHT0.406 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.609 INCHES MINIMUM AND 1.641 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUNC


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