MS20757 Connector, Fixed Flange, To Hose

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MS20757C

REQUIREMENTS:

Dimensions and configuration shall be in accordance with figure 1.

For design features purposes, this standard takes precedence over documents referenced herein. Referenced documents shall be of the issue in effect on date of invitation for bid.

Porosity test: finished castings shall not leak when subjected to 100-psi (0.7 MPa) internal air pressure and submerged in water for 3 minutes minimum.

This part is designed for use in fuel and oil systems with maximum operating pressures in accordance with table I.

TABLE I. Maximum operating pressure.

Size code number	Material	PSI	MPa
02 thru 08	Aluminum alloy	1500	10.3
10 thru 16	Aluminum alloy	1500	10.3
24 thru 28	Aluminum alloy	500	3.4
32 thru 48	Aluminum alloy	500	3.4

Maximum operating temperature 275° F.

Materials and finishes shall be in accordance with table II.

TABLE II. Material and finish code letters.

Code letter

Material

Finish

Aluminum alloy 2014-T4 in accordance with

SAE-AMS-QQ-A-225/6 or aluminum alloy casting in accordance with ASTM B108/B108M

Anodized anodize in accordance with MIL-A-8625, type 2, dye light blue

Aluminum alloy 2024 or 2024 forging and bar stock

in accordance with SAE-AS4875

Aluminum alloy 2014-T4 in accordance with

SAE-AMS-QQ-A-225/6 or aluminum alloy casting in accordance with ASTM B108/B108M

Chemical conversion coating in accordance with, MIL-DTL-5541, type II, class 3

Aluminum alloy 2024 or 2024 forging and bar stock

in accordance with SAE-AS4875

Aluminum alloy 7075-T73 or T7352 in accordance with SAE-AS4875

Anodize in accordance with

MIL-A-8625, type 2, dye brown

Aluminum alloy 7075-T73 or T7352 in accordance with SAE-AS4875

Chemical conversion coating in

accordance with, MIL-DTL-5541, type II, class 3

The connector flange to hose shall not exceed the weight limits specified in table III.