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 5905-00-943-9554
NSN 6220-01-478-4170
NSN 6320-01-132-2746
NSN 5999-01-171-8617
NSN 6145-01-641-7703
NSN 6685-01-143-7307
NSN 6240-00-694-1488
NSN 6145-01-020-8428
NSN 5920-01-571-6725
NSN 6685-00-172-4242
NSN 5945-00-224-3557
NSN 5985-00-661-2263