5310-01-355-6987 NUT,PLAIN,HEXAGON Index 5310-01-355-6989 NUT,PLAIN,BLIND RIVET

National Stock Number:
5310-01-355-6988

Federal Supply Class:
5310

National Item Identification Number:
013556988

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:
MS35649-2252B80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS35649-2252B96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NUT HEIGHT0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 13 STYLE
WIDTH ACROSS FLATS0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH20


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