A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Aluminum foil, not backed, not over 0.2mm thick, worked
NSN 5910-01-278-5717
NSN 5975-01-303-5095
NSN 5855-00-287-5870
NSN 6135-01-650-6529
NSN 5925-01-154-0236
NSN 5998-00-754-8666
NSN 5985-01-627-2578
NSN 5999-01-621-1740
NSN 5960-01-088-6553
NSN 5855-01-087-1417
NSN 5990-01-074-2210
NSN 4140-01-504-8326