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 6320-01-433-3953
NSN 6685-01-350-3451
NSN 5905-00-970-3739
NSN 2925-01-629-9416
NSN 5960-00-232-2512
NSN 6620-01-159-8025
NSN 6645-01-386-4588
NSN 6135-01-657-7116
NSN 6610-00-877-5905
NSN 6610-01-228-8883
NSN 5950-01-323-7170
NSN 5905-00-940-9409