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 6110-01-286-9109
NSN 5990-00-232-3965
NSN 5855-01-152-8782
NSN 4140-01-515-8864
NSN 6240-00-773-2872
NSN 5990-00-292-5017
NSN 5999-00-816-9670
NSN 5996-01-607-7035
NSN 5996-01-101-4673
NSN 6150-01-377-5490
NSN 5996-00-222-6049
NSN 5855-00-586-6255