1. ALL DIMENSIONS ARE IN MILLIMETERS. iURk=*Z= 2. MATERIAL: OPTICAL GLASS PER MIL-G-174 R>(@ZM& TYPE: HZK21 CDGM NO.623581 dx+hhg \L NP 1.6230 ± V ± 58.2 4Z/Q=Mq2 STRIAE GRADE , ANNEAL `YIf_a{ MELT NO. g2T -TG'd 3. 'P' PITCH POLISH TO TEST PLATE WITHIN %y%j*B!% POWER AND IRREGULARITY INDICATED. YE9,KVV;$n 4. MANUFACTURE PER MIL-O-13830 oD$J0{K6 5. SURFACE QUALITY x*Y@Q?`>5W 6. 'C' MAGNESIUM FLUORIDE COATING PER MI 4'LB7}WG FOR MAX TRANSMISSION AT MILLI 3fh8$A 7. 'G' FINE GROUND & BLACKENED PER -Q
U^c2 8. BEVEL EDGES AT 45 DEG TO MAX FA H
`(exa:w 9. DIAMETER TO FLAT IS (REF) I:d[Q
s WITH SURFACE SAG OF ON SURFA
kylewen
2021-05-06 11:33
kylewen:1. ALL DIMENSIONS ARE IN MILLIMETERS. wWp(yvz 2. MATERIAL: OPTICAL GLASS PER MIL-G-174 +|ycvHd TYPE: HZK21 CDGM NO.623581 +(+Itmx2& NP 1.6230 &n .. (2021-05-06 11:32) wW%4d