MS20761 Elbow, Flared Tube, Flanged, Swivel, 45 Degrees

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MS207618

Porosity test.  Finished castings shall not leak when subjected to 100 psi air pressure and submerged in water for 3 minutes minimum.

Part or Identifying Number (PIN): The PIN consists of prefix "MS" the specification sheet number, a letter for material and size code and a blank or letter for finish. Unassigned PIN's shall not be used.

MS      20761       -      W32

Finish (see table II)

Material and size (see table I) Dash

Specification number

MS prefix

Example of PIN:  MS20761-W32 is a 45° elbow, 7075 aluminum alloy, 2.000 inch (50.80 mm)  tube diameter, and 2.750 (69.85 mm) flange.

Marking.  The complete PIN shall be permanently marked on an unfinished surface. Guidance on use of alternative parts with less hazardous or nonhazardous materials.  This

specification provides for a number of alternative plating materials via the PIN.  Users should select

the PIN with the least hazardous material that meets the form, fit and function requirements of their application.

Supersession data:  Aluminum alloys 2014 and 2024 "D" designator is inactive for new design.  For new design use aluminum alloy 7075 "W" designator.

Changes from previous issue.  Marginal notations are not used in the revision to identify changes with respect to the previous issue due to the extensiveness of the changes.

Referenced documents.  In addition to SAE-AS4875, this document references the following:

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