A-A-52442 Repair Kit, Puncture, Pneumatic Tire (Metric)This commercial item description (CID) covers. one type of tubeless tire repair kit which will allow emergency "outside-in" repair of all types and sizes of tubeless heavy-duty tires up to and including 28-ply or ply-rated construction. The kit is to be used to repair tires while mounted on the vehicle.

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A-A-52442(AT)

2.3 Design and construction. The repair kit shall be designed and constructed so that it can be used for the operations specified herein. Unless otherwise specified (see 5.2), the repair kit shall consist of the following components and in the quantities (Qty) indicated:

2.3.1 Details of components.

2.3.1.1 Insertion tool. The insertion tool shall consist of a corrosion resistant steel insertion needle with either a permanently attached or detachable handle. The handle shall be a heavy duty (truck) type of a suitable size and configuration to allow the insertion needle to perform its intended function without injury or stress to the operator’s hand. The needle shall be of sufficient diameter, strength, and hardness as to be suitable for its intended purpose. It shall have a suitable eye to accommodate the repair material to be used for insertion into injury of tubeless tires. The needle, whether adjustable or permanently fixed in length, shall be suitable in length to perform its intended function. It shall be capable of withstanding a longitudinal force of 450 newtons without breaking or being permanently deformed.

2.3.1.2 Repair material. The repair material shall be polypropylene or nylon sleeving impregnated and coated with a polysulfide or butyl rubber compound and have a minimum tensile strength of 35,160 kilopascals (kPa). The repair material shall be round or elliptical in shape. It shall be furnished with cross-sectional diameter adequate to seal punctures ranging from nail holes Up to holes 19 mm in diameter and to seal slits 127 mm in length. A minimum total length of 1525 cm of repair material shall be furnished in the kit. The repair material shall be coiled and encapsulated in plastic tubes or cut to appropriate lengths and packaged five to ten individual refills per packet. Provisions for capping ends of coiled repair material tubes shall be provided to retain repair material in tube when not in use. Cut-to-length repair material shall be protected by a backing of “release” parchment paper on one side and a mylar covering on the opposite side. The packets shall be sealed in polyethylene bags appropriate to the refill size. The tubes or bags for the repair material shall be properly identified as to their contents and use (see 2.6).