A-A-52554 Hose And Hose Assemblies, Nonmetallic: Elastomeric, Liquid Fuel (S/S By Mil-Prf-370)This commercial item description (CID) applies to elastomeric, liquid fuel transfer hose and hose assemblies. The hose and hose assemblies are intended to be used for liquid fuel suction and discharge.

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A-A-52554

7.2.2 Classification. The hose and hose assemblies shall be the types (see table II), sizes (inside diameter) (see table III), classes (see table IV), styles (see table V), and lengths (see 7.2.1), as specified.

TABLE II. Type designator.

Symbol	Characteristics
A	Type I � Non-wire reinforced
B	Type II � Wire reinforced, noncollapsible

7.2.3 Size. The hose and hose assembly size is identified by a two digit code number as shown in table III.

TABLE III. Size designator.

Code No.	Inside Diameter (inches)
01	Size 1 � 0.500
02	Size 2 � 0.750
03	Size 3 � 1.00
04	Size 4 � 1.25
05	Size 5 � 1.50
06	Size 6 � 2.00
07	Size 7 � 2.50
08	Size 8 � 3.00
09	Size 9 � 4.00
10	Size 10 � 6.00

7.2.4 Class. The hose assembly class is identified by a one letter symbol as shown in table IV.

TABLE IV. Class designator.

Symbol	Characteristics
A	Class 0 � Bulk Hose (without fittings).
B	Class 1 � Male fitting on one end and female fitting on other end.
C	Class 2 � Male fitting both ends.
D	Class 3 � Female fittings both ends.

7.2.4 Fitting. The hose assembly fitting style is identified as a single code numeral as shown in table V.