Interpretation ID: nht76-5.69

DATE: 12/03/76

FROM: AUTHOR UNAVAILABLE; E.T. Driver; NHTSA

TO: Shughart; Thomson and Kilroy

TITLE: FMVSR INTERPRETATION

TEXT: Your October 20, 1976, letter to the U.S. Department of Transportation, Federal Highway Administration, has been referred to this office for reply.

You request data concerning the 10.00-02 "Inland Deep Drive 300," that was manufactured by the Mansfield Tire and Rubber Company, Mansfield, Ohio. Tire Identification Number WLZJAVN 503.

We have enclosed all the Federal Motor Vehicle Safety Standards for:

* New Pneumatic Tires, Passenger Cars, Federal Motor Vehicle Safety Standard No. 109

* New Pneumatic Tires for Vehicles Other Than Passenger Cars, Federal Motor Vehicle Safety Standard No. 119

* Part 574 - Tire Identification and Recordkeeping

* Tire Code Numbers Assigned New Tire Manufacturers.

* Tire Size Codes

The tire identification number stated in your letter can be explained by the use of the above data.

"WL" - is the plant code for the Mansfield, Ohio plant.

"ZJ" - is the tire size code for the 10.00-20 tire size designation.

"AVN" - is an internal code for Mansfield.

"503" - means the tire was cured the 50th week of 1973.

You also request design and construction information. We do not have this type of information because it is proprietary. Also enclosed are copies of tire "Care and Service of Bias and Radial Ply Truck Tires."

We hope the above has been of some help to you.

SHUGHART, THOMSON & KUROY

October 20, 1976

U.S. Department of Transportation Federal Highway Administration Re: Commercial Truck Tires

Our office is investigating an accident involving the blowout of a commercial truck tire known as the "Inland Deep Drive 300" size 10.00 x 20 tube type 13 ply rating with serial No. WL2JAVN503 manufactured by the Mansfield Tire and Rubber Company, Mansfield, Ohio. Please advise us if this particular tire or series of tires has been assigned a Department of Transportation number and if so, please advise us of the number.

We would also appreciate copies of any documents, standards, regulations, and procedures which you have on this tire including its design, construction, and manufacture. We would also appreciate copies of any documents, standards, and regulations or procedures pertaining to the design, construction, and manufacture of commercial truck tires in general.

Naturally, we are willing to pay a reasonable charge for providing the copies requested. If there is such a charge, please forward your statement for services along with the requested information and we will arrange for the appropriate payment of same.

REX R. REDHAIR