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.
NSN 5990-00-008-1828
NSN 5935-01-273-0675
NSN 5925-00-478-5052
NSN 5910-00-989-1288
NSN 5920-00-156-4482
NSN 5960-01-052-8228
NSN 5930-01-343-3325
NSN 5855-01-587-7608
NSN 6650-00-248-4895
NSN 5999-00-565-8857
NSN 6145-01-493-9160
NSN 5855-01-085-5354