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 5999-00-164-2981
NSN 5905-00-584-6617
NSN 6145-01-484-8735
NSN 5999-00-288-5954
NSN 6610-00-440-3250
NSN 6220-01-457-9678
NSN 7035-01-617-0072
NSN 7035-01-132-7209
NSN 2925-01-113-6904
NSN 5945-01-556-3304
NSN 6105-01-252-6258
NSN 4140-00-817-6009