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 7035-01-472-1999
NSN 6685-00-737-7333
NSN 6145-00-840-6685
NSN 5975-01-132-3603
NSN 4140-01-319-6355
NSN 6610-01-259-4655
NSN 5930-01-437-5186
NSN 6645-01-616-4170
NSN 2925-00-989-0523
NSN 6685-00-734-0131
NSN 5998-00-687-8609
NSN 6650-01-141-5999