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 6610-01-514-7755
NSN 5925-01-213-1343
NSN 6620-01-084-5112
NSN 6150-01-470-6388
NSN 6650-00-548-9797
NSN 5835-01-064-6024
NSN 6320-00-593-0379
NSN 5895-01-222-0639
NSN 6150-00-850-7316
NSN 6105-01-109-6256
NSN 5905-00-353-1659
NSN 4140-01-227-4674