Spacers and Washers, Procurement Specification for, Metric
MA1784A
This specification covers metric aircraft quality spacers for use as positioners for tubes, flat washers for use as load spreaders, galling protection of adjacent surfaces and or material compatibility, and key or tab washers for use as locks for bolts, nuts, and screws.
Rationale:
Delete MIL-STD-105 sampling requirements and extensively revise Section 4 (Quality Assurance Provisions) to acceptance based on zero defectives, update FPI and MPI references, revise classification “MAJOR A” to “MAJOR B” based on acceptance quality requirements, revise military packing requirements to MIL-STD-2072-1, general update of references, and general editorial revisions.
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