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 6110-01-221-3124
NSN 6150-01-421-2234
NSN 5905-01-518-5661
NSN 5985-01-441-8471
NSN 5965-00-241-6424
NSN 5985-01-298-4543
NSN 5910-01-063-5897
NSN 5990-00-554-0366
NSN 5960-01-025-2526
NSN 4140-01-422-7319
NSN 6110-01-390-0875
NSN 6610-01-167-1771