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 2925-01-345-9439
NSN 5965-00-842-9060
NSN 5930-01-424-2025
NSN 6240-01-026-7690
NSN 6135-01-608-3470
NSN 6320-01-462-2295
NSN 6650-01-168-8451
NSN 6220-01-004-6234
NSN 6145-01-441-1201
NSN 5950-00-779-5653
NSN 6685-00-947-0059
NSN 6110-01-591-4339