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 5999-01-122-4319
NSN 6105-01-415-5555
NSN 6110-01-549-4175
NSN 5905-01-493-6097
NSN 5945-00-701-5792
NSN 6685-00-198-9506
NSN 5895-01-508-1556
NSN 6130-00-775-3595
NSN 5960-00-361-8409
NSN 6650-01-485-3444
NSN 6135-00-519-1325
NSN 5905-00-453-2421