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 6620-01-474-4951
NSN 6645-01-625-1192
NSN 6220-01-422-9105
NSN 5835-01-035-9345
NSN 5920-01-025-1618
NSN 5996-00-024-0827
NSN 6110-01-446-9376
NSN 6220-00-522-6859
NSN 5915-01-657-6931
NSN 5999-00-871-9538
NSN 6145-01-218-8381
NSN 5945-01-280-5477