MS8009C
Hose assembly size code: See table XIV.
TABLE XIV. Hose assembly size code.
Size |
Reference tube OD |
Size code |
8 |
0.500 |
H |
10 |
0.625 |
J |
12 |
0.750 |
K |
16 |
1.000 |
M |
20 |
1.250 |
N |
24 |
1.500 |
P |
REQUIREMENTS:
Dimensions: Unless otherwise specified, all dimensions are in inches. Dimensions "N (max)" and
"T (max)" are installation dimensions and not design dimensions.
Fittings: The swivel flange shall conform to MS20756. The nut threads shall be in accordance with SAE AS8879.
Elbow fittings: The ovality of the circular cross section within the angle of the bend of the elbow fitting shall not exceed 7.5% of the nominal tubing OD (see table XV).
Assembly classification: Class 1 and class 2 hose assemblies, as specified in MIL-DTL-25579, have been incorporated into the Part or Identifying Number (PIN) as a part of styles.
Angular alignment: Hose assemblies with elbow fittings on each end shall have the angular orientation between the elbows measured counter-clockwise from the centerline of the nearest fitting, positioned at six-o'clock, to the centerline of the other fitting (see figure 13). When applicable, the angular alignment shall be expressed in three digits and specified in the PIN.
Protective sleeve: If required, the hose assembly shall include a protective sleeve (see table XIII) and its code shall be included in the PIN. Fire protective sleeve shall be subjected to testing in accordance with MIL-DTL-25579.
Assembly length: Hose assembly shall be furnished in lengths as specified in the contract or purchase order (see MIL-DTL-25579); however, tolerances on the length of each hose assembly shall be as follows:
a. ±1/8 inch for lengths under 18 inches.
b. ±1/4 inch for lengths from 18 inches to 36 inches. c. ±1/2 inch for lengths from 36 inches to 50 inches. d. ±1% for lengths over 50 inches.
TABLE XV. Elbow fitting ovality. 1/
Assembly size |
8 |
10 |
12 |
16 |
20 |
24 |
Ball diameter |
0.313 |
0.391 |
0.515 |
0.756 |
0.969 |
1.188 |
1/ The fitting elbow bend shall be examined for ovality by rolling a ball of applicable diameter through the
elbow fitting. The ball shall pass freely through the fitting elbow bend.
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