5310-01-553-9929 WASHER,FLAT Index 5310-01-555-4451 WASHER,FL,MODODIFIE

National Stock Number:
5310-01-554-5146

Federal Supply Class:
5310

National Item Identification Number:
015545146

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:
90591A18139428MCMASTER-CARR SUPPLY CO


Techincal Specification:
BEARING SURFACE TYPEFLAT
HARDNESS RATING20.0 ROCKWELL C NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYM12X1.75 ZINC-PLATED STEEL HEX NUT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE12.0 MILLIMETERS
NUT HEIGHT10.0 MILLIMETERS NOMINAL
NUT STYLEHEXAGON
SPECIAL FEATURESCLASS 8. TM 9-2330-103-23P AND TM 9-2330-338-13 AND P. DIN SPEC 934
SURFACE TREATMENTZINC OVERALL
THREAD CLASS6H
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH IN MILLIMETERS1.75
THREAD SERIESM
WIDTH ACROSS FLATS19.0 MILLIMETERS NOMINAL


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