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 5998-00-739-8930
NSN 6610-01-316-1830
NSN 5935-01-495-1008
NSN 5910-00-965-8972
NSN 5999-01-350-4658
NSN 7035-01-442-7947
NSN 6135-01-411-3212
NSN 5855-01-279-9938
NSN 5905-00-012-4490
NSN 5950-01-271-4676
NSN 6650-01-261-0389
NSN 6145-01-112-0397