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 6130-00-887-8442
NSN 5905-01-364-9573
NSN 5915-01-474-8616
NSN 5905-01-433-6364
NSN 5910-00-453-0532
NSN 6685-01-063-7004
NSN 5945-00-244-1579
NSN 5905-00-286-8564
NSN 5985-01-481-9915
NSN 4140-00-112-0630
NSN 6685-00-496-1544
NSN 6145-01-565-3863