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 5925-01-189-8052
NSN 6320-01-088-1109
NSN 6685-01-287-2700
NSN 6320-01-224-0063
NSN 5996-00-518-3675
NSN 6650-01-357-4670
NSN 5990-01-212-0911
NSN 5965-01-378-7335
NSN 6320-01-335-8336
NSN 4140-01-660-3404
NSN 5920-01-054-5315
NSN 5950-01-550-7120