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 5999-01-115-7556
NSN 6220-00-761-6253
NSN 2925-00-064-6629
NSN 5985-01-121-7945
NSN 5999-01-268-1921
NSN 5925-00-936-3934
NSN 6150-01-521-3031
NSN 5965-00-067-0290
NSN 6685-01-605-5665
NSN 5835-01-599-1876
NSN 6220-01-281-0349
NSN 6650-00-857-2260