MS28781E
REQUIREMENTS:
These fittings are for use with MIL-DTL-8788 hose.
See figure 1 for fitting end sizes, dimensions and weight.
Material: Nipples, nuts, and elbows shall be made of steel and the body of aluminum in accordance with MIL-DTL-8789. As an alternate, the elbow may be fabricated from steel tubing in accordance with MIL-DTL-8789.
Finish:
Aluminum alloy, anodic treatment, in accordance with MIL-A-8625, type II.
Steel, cadmium plate, in accordance with SAE AMS-QQ-P-416, type II, class 3, color-black.
A non-standard swivel nut may be used provided the hex and thread dimensions are in accordance with AN818 and the nut shall not be removable from the assembly.
A true circular cross section is not required within angle of bend, however, a ball .031 smaller than "F" diameter (see figure 1) shall pass through the entire fitting.
PIN:
MS 28781 -4
Size dash number (see figure 1)
Basic specification number
MS prefix
Example of a PIN: MS28781-4
Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes.
Referenced documents. In addition to MIL-DTL-8789, this document references the following: MIL-A-8625
MIL-DTL-8788
AN818
SAE-AS8879
SAE AMS-QQ-P-416
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