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 5975-01-231-9080
NSN 6130-01-528-7813
NSN 7035-01-508-5064
NSN 5985-00-522-5495
NSN 5999-00-977-9952
NSN 5915-01-429-8328
NSN 6645-00-155-2398
NSN 5920-00-917-6824
NSN 5835-00-841-2650
NSN 4140-01-203-5128
NSN 5920-01-236-3009
NSN 2925-00-075-2714