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 2925-01-443-5929
NSN 5905-01-320-4371
NSN 6685-01-463-3470
NSN 6150-00-891-7922
NSN 4140-00-119-5855
NSN 6105-01-092-2362
NSN 6150-01-560-7475
NSN 7035-01-334-5855
NSN 6105-01-338-6249
NSN 6650-00-320-8683
NSN 5905-01-554-7350
NSN 6650-00-758-0378