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 4140-00-269-5795
NSN 6685-01-634-0611
NSN 5945-01-567-4244
NSN 6650-01-361-9336
NSN 6620-00-876-0776
NSN 5999-01-469-5421
NSN 5925-01-253-8417
NSN 6645-01-219-4492
NSN 5999-01-442-5446
NSN 5915-01-571-3925
NSN 4140-01-616-7340
NSN 5998-00-855-8954