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 2925-01-446-6976
NSN 6645-00-936-9111
NSN 5905-01-563-7083
NSN 6610-00-620-3802
NSN 6220-00-959-5970
NSN 5965-01-251-4381
NSN 5920-00-298-0700
NSN 5990-00-244-8684
NSN 5985-00-297-7526
NSN 6145-00-913-8015
NSN 6320-00-228-5678
NSN 6645-01-359-5769