5310-00-199-3108 NUT,PLAIN,HEXAGON Index 5310-00-199-3111 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-199-3109

Federal Supply Class:
5310

National Item Identification Number:
001993109

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:
MILS122281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIESUN
NOMINAL THREAD SIZE1.250 INCHES
THREAD QUANTITY PER INCH8
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA193,SYMBOL H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING187.0 BRINELL STANDARD NOMINAL
NUT STYLEHEXAGON
NUT HEIGHT1.030 INCHES MINIMUM AND
1.094 INCHES MAXIMUM
WIDTH ACROSS FLATS1.812 INCHES MINIMUM AND
1.875 INCHES MAXIMUM
BEARING SURFACE TYPEWASHER FACED
NONDEFINITIVE SPEC/STD DATA2 TYPE AND
H SYMBOL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMILS1222


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