Fittings, Tube, Fluid Systems, Separable, Beam Seal, 3000/4000 psi, General Specification For

Scope:

Revision clarifies qualification/manufacturing details regarding initial form of fitting (standard near-net forgings, oversize forgings or bar stock). Additionally, replacing the lot-to-lot destructive testing with standardized periodic test procedures.

Rationale:

Revise AS85421 to add qualification/manufacturing details regarding initial form of fitting (standard near-net forgings, oversize forgings or bar stock) do not exist in specification. This revision clarifies these details to insure fittings qualified for QPL are manufactured the same as same fittings delivered to users. The three manufacturing scenarios that are addressed are: 1-Supplier qualifies a “made-from-forging” shaped fitting 2-Supplier qualifies a “made-from-forging” and a “made-from-bar-stock” shaped fitting. 3-Supplier qualifies a “made-from-bar stock” shaped fitting. (Manufacture from oversized forging would be considered same as being made from bar stock). Additionally, replacing the lot-to-lot destructive testing with standardized periodic test procedures.

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