532 6-1. Specifications
Tire related termMeaning
Innerliner separationThe parting of the innerliner from cord material
in the carcass
Intended outboard
sidewall
(a)The sidewall that contains a whitewall, bears white lettering, or bears manufacturer,
brand, and/or model name molding that is
higher or deeper than the same molding on
the other sidewall of the tire, or
(b)The outward facing sidewall of asymmetrical tire that has a particular side that must
always face outward when mounted on a
vehicle
Light truck (LT) tire
A tire designated by its manufacturer as
primarily intended for use on lightweight trucks
or multipurpose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry
for a given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum
permissible inflation pressure for that tire
Maximum permissible
inflation pressureThe maximum cold inflation pressure to which
a tire may be inflated
Measuring rimThe rim on which a tire is fitted for physical
dimension requirements
Open spliceAny parting at any junction of tread, sidewall, or
innerliner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors of
the sidewalls of an inflated tire, including
elevations due to labeling, decorations, or
protective bands or ribs
Passenger car tire
A tire intended for use on passenger cars,
multipurpose passenger vehicles, and trucks,
that have a gross vehicle weight rating
(GVWR) of 10,000 lb. or less
