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 6240-01-269-3146
NSN 6220-01-215-6983
NSN 5855-00-973-5717
NSN 6685-01-418-7772
NSN 5855-01-498-4949
NSN 6650-01-350-5578
NSN 6685-01-606-0867
NSN 2925-00-398-0253
NSN 6650-01-115-2766
NSN 6220-01-296-1827
NSN 6220-01-193-6542
NSN 5835-01-466-5496