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علائم اختصاری درنقشه کشی صنعتی [TABLE=align: center] [TR] [TD][/TD] [TD][/TD] [/TR] [TR] [TD=class: x]Term[/TD] [TD=class: x]Abbreviation or Symbol[/TD] [/TR] [TR] [TD=class: wide]Across Flats[/TD] [TD]AF[/TD] [/TR] [TR] [TD=class: wide]Assembly [/TD] [TD]ASSY[/TD] [/TR] [TR] [TD=class: wide]Centres[/TD] [TD]CRS[/TD] [/TR] [TR] [TD=class: wide]Centre Line ..On View[/TD] [TD] [/TD] [/TR] [TR] [TD=class: wide]Centre line ..On Note[/TD] [TD]CL[/TD] [/TR] [TR] [TD=class: wide]Centre Of Gravity[/TD] [TD]CG[/TD] [/TR] [TR] [TD=class: wide]Chamfer of Chamferred..In a Note[/TD] [TD]CHAM[/TD] [/TR] [TR] [TD=class: wide]Cheese Head[/TD] [TD]CH HD[/TD] [/TR] [TR] [TD=class: wide]Countersunk/ Countersink[/TD] [TD]CSK[/TD] [/TR] [TR] [TD=class: wide]Countersunk Head[/TD] [TD]CSK HD[/TD] [/TR] [TR] [TD=class: wide]Counterbore[/TD] [TD]CBORE[/TD] [/TR] [TR] [TD=class: wide]Cylinder or Cylinderical[/TD] [TD]CYL[/TD] [/TR] [TR] [TD=class: wide]Diameter..in a note[/TD] [TD]DIA[/TD] [/TR] [TR] [TD=class: wide]Diameter..preceding a dimension[/TD] [TD] [/TD] [/TR] [TR] [TD=class: wide]Drawing[/TD] [TD]DRG[/TD] [/TR] [TR] [TD=class: wide]Equally Spaced[/TD] [TD]EQUI SP[/TD] [/TR] [TR] [TD=class: wide]External[/TD] [TD]EXT[/TD] [/TR] [TR] [TD=class: wide]Figure[/TD] [TD]FIG[/TD] [/TR] [TR] [TD=class: wide]Full Indicated Movement[/TD] [TD]FIM[/TD] [/TR] [TR] [TD=class: wide]Hexagon[/TD] [TD]HEX[/TD] [/TR] [TR] [TD=class: wide]Hexagon Head[/TD] [TD]HEX HD[/TD] [/TR] [TR] [TD=class: wide]Insulated or Insulation[/TD] [TD]INSUL[/TD] [/TR] [TR] [TD=class: wide]Internal[/TD] [TD]INT[/TD] [/TR] [TR] [TD=class: wide]Least Material Condition..In a Note[/TD] [TD]LMC[/TD] [/TR] [TR] [TD=class: wide]Least Material Condition..(Geom.Dim)[/TD] [TD][/TD] [/TR] [TR] [TD=class: wide]Left hand[/TD] [TD]LH[/TD] [/TR] [TR] [TD=class: wide]Long[/TD] [TD]LG[/TD] [/TR] [TR] [TD=class: wide]Machine[/TD] [TD]MC[/TD] [/TR] [TR] [TD=class: wide]Material[/TD] [TD]MAT[/TD] [/TR] [TR] [TD=class: wide]Maximum[/TD] [TD]MAX[/TD] [/TR] [TR] [TD=class: wide]Maximum Material Condition..In a note[/TD] [TD]MMC[/TD] [/TR] [TR] [TD=class: wide]Maximum Material Condition..(Geom. tol)[/TD] [TD] [/TD] [/TR] [TR] [TD=class: wide]Minimum[/TD] [TD]MIN[/TD] [/TR] [TR] [TD=class: wide]Not to Scale (In a note and underlined[/TD] [TD]NTS[/TD] [/TR] [TR] [TD=class: wide]Number[/TD] [TD]NO.[/TD] [/TR] [TR] [TD=class: wide]Pattern Number[/TD] [TD]PATT NO.[/TD] [/TR] [TR] [TD=class: wide]Pitch Circle Diameter[/TD] [TD]PCD[/TD] [/TR] [TR] [TD=class: wide]Radius..In a note[/TD] [TD]RAD[/TD] [/TR] [TR] [TD=class: wide]Radius..Preceding a dimension[/TD] [TD]R[/TD] [/TR] [TR] [TD=class: wide]Reference[/TD] [TD]REF[/TD] [/TR] [TR] [TD=class: wide]Required[/TD] [TD]REQD[/TD] [/TR] [TR] [TD=class: wide]Right hand[/TD] [TD]RH[/TD] [/TR] [TR] [TD=class: wide]Round Head[/TD] [TD]RD HD[/TD] [/TR] [TR] [TD=class: wide]Screw of Screwed[/TD] [TD]SCR[/TD] [/TR] [TR] [TD=class: wide]Sheet (Drawing Number) [/TD] [TD]SH[/TD] [/TR] [TR] [TD=class: wide]Sketch (prefix to Drawing Number) [/TD] [TD]SK[/TD] [/TR] [TR] [TD=class: wide]Specification[/TD] [TD]SPEC[/TD] [/TR] [TR] [TD=class: wide]Spherical Radius..Preceding dim [/TD] [TD]SR[/TD] [/TR] [TR] [TD=class: wide]Spotface[/TD] [TD]SFACE[/TD] [/TR] [TR] [TD=class: wide]Square ..In a note[/TD] [TD]SQ[/TD] [/TR] [TR] [TD=class: wide]Square ..Preceding dim[/TD] [TD][/TD] [/TR] [TR] [TD=class: wide]Standard[/TD] [TD]STD[/TD] [/TR] [TR] [TD=class: wide]Taper.. On Dia or Width[/TD] [TD][/TD] [/TR] [TR] [TD=class: wide]Thread[/TD] [TD]THD[/TD] [/TR] [TR] [TD=class: wide]Thick[/TD] [TD]THK[/TD] [/TR] [TR] [TD=class: wide]Tolerance[/TD] [TD]TOL[/TD] [/TR] [TR] [TD=class: wide]Typically OR Typical[/TD] [TD]TYP[/TD] [/TR] [TR] [TD=class: wide]Undercut[/TD] [TD]UCUT[/TD] [/TR] [TR] [TD=class: wide]Volume[/TD] [TD]VOL[/TD] [/TR] [/TABLE] The second figure shows the acceptable simplified representations of holes drilled for bolts or rivets-- Side view The third figure shows the acceptable simplified representations of holes with bolts or rivets-- Side view The fourth view simply shows how to conveniently indicate the bolt or rivet designation..