MRC:
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.TEST
Test Data Document:
76301-ps21201 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Steel, mil-s-5000, o/a; id at internal flange, 2.28 in. Min and 2.34 in. Max; 0.045 in. Min and 0.065 in. Maximum internal flange w; 2.4409 in. Min and 2.4413 in. Maximum id; 0.515 in. Min and 0.565 in. Maximum o/a w; external flange at opposite end of internal flange; 2.90 in. Min and 2.96 in. Maximum external flange od; 0.045 in. Min and 0.065 in. Maximum external flange w; 2.5812 in. Min and 2.5817 in. Maximum body od; black oxide, ams 2485, o/a surf. Fin.; 34.0 min and 39.0 maximum rockwell hardness
