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 6320-00-466-0371
NSN 6135-00-686-4777
NSN 4140-01-428-7516
NSN 6105-01-222-8383
NSN 5975-01-204-5159
NSN 6105-01-564-9442
NSN 6135-01-386-5709
NSN 6650-00-758-4763
NSN 5905-00-892-1654
NSN 6105-01-481-8481
NSN 6645-01-300-9485
NSN 5990-01-411-8548