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321-802-5889
321-733-7477
05047-asme y14.100-2013 professional/industrial association standard and 05047-asme y14.5-2009 professional/industrial association standard and 96906-mil-prf-13830 government standard
Material: pyrex glass, code 7740 or equivalent; four corners 0.062 in. Radius; scratch dig 40-20 per mil-prf-13830