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 6145-00-186-6291
NSN 5985-01-407-0027
NSN 6650-01-254-3690
NSN 5999-01-063-9294
NSN 6145-00-819-0062
NSN 5945-00-635-3502
NSN 5965-00-899-0453
NSN 5935-01-605-2267
NSN 6220-01-258-5466
NSN 7035-01-466-1577
NSN 5990-01-004-6343
NSN 6620-01-397-8683