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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INCH-POUND

A-A-52426A (AT)

21 May 2012

SUPERSEDING

A-A-52426 (AT)

10 February 1993

COMMERCIAL ITEM DESCRIPTION

HOSE AND HOSE ASSEMBLIES, NON-METALLIC, SILICONE, POLYESTER AND WIRE

REINFORCED (FOR COOLANT AND HEATING SYSTEMS OF DIESEL AND GASOLINE

POWERED ENGINES)

The General Services Administration has authorized the use of this commercial item description

(CID) as a replacement for MIL-H-62217A(AT), MIL-H-62217/1A(AT), MIL-H-62217/2(AT),

MIL-H-62217/3(AT) and MIL-H-62217/4(AT) which are canceled.

1.0 SCOPE. 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 degrees Fahrenheit (�F) to +425 �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".

2.0 CLASSIFICATION. Hose covered by this specification are classified as follows (see 6.3):

Type I

- Full tube ID for formed and beaded male tube ends on cooling and

heater systems.

Type II - Preformed full tube ID for formed and beaded male tube ends in

cooling systems.

Type III - A flexible type with cuff ID and outside diameter (OD) ends for

clamping to formed and beaded male tube ends on cooling systems.

Type IV - Full tube ID to accommodate reattachable fittings for sealed heater

systems.

Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that

may improve this document should be sent to usarmy.detroit.rdecom.mbx.tardec-

standardization@mail.mil or U.S. Army RDECOM, Tank Automotive Research, Development

and Engineering Center, ATTN: RDTA-EN/STND/TRANS MS #268, 6501 E. 11 Mile Road,

Warren, MI 48397-5000. Since contact information can change, you may want to verify the

currency of this address information using the ASSIST Online database at https://assist.dla.mil.

AMSC N/A

FSC 4720

DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.