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 6685-01-220-4660
NSN 5965-00-217-2476
NSN 5935-01-351-2893
NSN 6135-01-549-5587
NSN 6135-01-452-2421
NSN 6320-00-164-4087
NSN 5835-01-060-9491
NSN 5920-01-364-1866
NSN 6220-00-900-7595
NSN 6620-01-096-3723
NSN 5925-01-144-1231
NSN 5905-01-593-7264