Twin ground glass; 50 mm dia; 3 mm thk w/ 3 mm radius on edge; etched v on edge indicates dot side; red dot 40 micron in diameter centered porm 5 micron
Classification: Military equipments not identified by kind
NSN 5910-01-290-4803
NSN 5925-01-347-8767
NSN 6620-00-816-9755
NSN 7035-01-366-5912
NSN 6320-00-360-1744
NSN 7035-01-423-8343
NSN 5855-00-401-3442
NSN 5965-01-372-8626
NSN 5996-01-237-4501
NSN 5905-01-199-7561
NSN 5999-00-246-4368
NSN 6320-01-544-6447