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 5945-01-427-3790
NSN 5998-00-208-1928
NSN 6145-01-259-2702
NSN 5925-00-784-3742
NSN 6110-01-562-0289
NSN 6685-01-641-5907
NSN 5999-01-253-2585
NSN 6240-01-431-5790
NSN 5999-01-487-7397
NSN 5905-01-253-5704
NSN 6220-01-159-4150
NSN 5930-01-427-9851