A-A-52426 Hose And Hose Assemblies, Non-Metallic, Silicone, Polyester And Wire Reinforced (For Coolant And Heating Systems Of Diesel And Gasoline Powered Engines)This CID covers polyester and wire reinforced, silicone compounded, elastomeric hose and hose assemblies, for coolant and heating systems of diesel and gasoline powered engines, with a temperature range from -40 deg. F to +425 deg. F. All hose types are intended for severe service such as on cars, buses, heavy duty military and commercial trucks, military combat vehicles, and off-road earth moving equipment. Type I (1/2 inch inside diameter (ID) thru 1 1/8 inch ID) hose is intended for connecting hot water heaters to coolant circulating systems of ground vehicles. The hose and hose assemblies described in this CID are hereinafter referred to as "hose".

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A-A-52426A

for 70 hours at 302°F. Molded test slabs, representative of batch from which hose is made, may be used.

3.4 Installation. Type I, II, and IV hose shall be installed with clamps conforming to SAE J1508, type F, style 1, 2, or 4, or A-A-52506; type F.

3.5 Identification and marking. Types I, II and IV shall be marked on the outer surface. Type III shall be marked on one or both cuffs. All marking shall include the following information in contrasting color by stencil or printed type:

National stock number

Nominal size (ID)

A-A-52426(AT)

Type

Manufacturers identification code (CAGE)

Month and year of manufacture 1/

1/ Month and year of manufacture shall be recorded, but shall apply for reference purposes only.

3.6 Workmanship. Workmanship shall be such as to produce hose free of looseness of cover, exposed reinforcements (wire, fabric), cuts or bruises, blisters, breaks, pitting, wrinkles in cover, loose foreign matter, excess mandrel lubricants, or any other defects which adversely affect hose performance or appearance.

4.0 PRODUCT CONFORMANCE PROVISIONS.

4.1 Responsibility for inspection. The contractor is responsible for the performance of all inspections (examination and tests).

4.2 Contractor certification. The contractor shall certify and maintain substantiating evidence that the product offered meets the salient characteristics of this CID and that the product conforms to the producer’s own drawings, specifications, standards, and quality assurance practices. Items with known defects shall not be submitted for Government acceptance. The Government reserves the right to require proof of such conformance prior to the first delivery and thereafter as may be otherwise provided for under the provisions of the contract.

5.0 PACKAGING. Preservation, packing, and marking shall be as specified in the contract or order (see 6.2).

6.0 NOTES.

6.1 Addresses for obtaining copies of referenced documents (see 6.2).