5330-00-243-7177 SEAL,PLAIN Index 5330-00-243-7181 SEAL,OIL

National Stock Number:
5310-00-243-7179

Federal Supply Class:
5310

National Item Identification Number:
002437179

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:
440954948WALTCO TRUCK EQUIPMENT CO INC
AN15041581352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP


Techincal Specification:
BEARING SURFACE FINISH60.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6325 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8735 OR STEEL COMP 8740 OVERALL
NOMINAL THREAD SIZE0.750 INCHES
NUT HEIGHT0.375 INCHES NOMINAL
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.055 INCHES MINIMUM AND 1.064 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
THREAD SERIESUNF
THREAD QUANTITY PER INCH16


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