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 6105-01-568-3000
NSN 6685-00-404-0575
NSN 6105-01-240-3780
NSN 5910-01-364-8381
NSN 6320-01-204-2922
NSN 5855-01-037-7341
NSN 5996-00-974-5343
NSN 5985-01-295-9830
NSN 6240-01-505-8189
NSN 6650-01-089-7777
NSN 6620-01-067-0536
NSN 5855-00-310-2740