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 5990-01-426-7350
NSN 6220-00-149-0977
NSN 5990-00-200-5232
NSN 6135-00-932-3136
NSN 5975-01-550-5492
NSN 5985-01-468-1627
NSN 5965-00-340-6790
NSN 6610-01-426-3514
NSN 2925-01-592-5578
NSN 5925-01-462-6172
NSN 5910-00-901-2711
NSN 6685-01-469-8034