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 6110-00-155-4303
NSN 6220-00-858-4831
NSN 5915-00-490-6424
NSN 5945-00-118-6246
NSN 5985-01-509-4534
NSN 6150-01-051-6489
NSN 6645-01-443-4854
NSN 6620-00-475-9985
NSN 4140-01-350-3277
NSN 5960-01-106-3086
NSN 5965-00-834-6298
NSN 6685-01-019-4493