MRC:
The element,compound,or mixture of which the tubing is fabricated,excluding any surface treatment.AHSA
Tubing Material:
Steel, mil-t-3520, type 2, comp 1010 or steel, mil-t-3520, type 2, comp 1015 or steel, mil-t-3520, type 2, comp 1020 or steel, mil-t-3520, type 3, comp 1010 or steel, mil-t-3520, type 3, comp 1015 or steel, mil-t-3520, type 3, comp 1020 or steel, fed qq-s-00643, s1000 or fs1020 type a/a
MRC:
The specification and/or standard of the end connection.BZRS
End Connection Specification/std:
Master book of ord eng std, dwg no. Ml3. 152 ae feb 51 part no. 189894 and 189911