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 5990-01-227-6526
NSN 6130-00-068-0237
NSN 6240-01-508-9230
NSN 4140-01-128-4939
NSN 6145-01-415-6127
NSN 5855-01-020-7982
NSN 6610-01-461-8180
NSN 7035-01-363-4540
NSN 6105-00-406-9545
NSN 5925-01-384-3234
NSN 5965-01-231-9125
NSN 6610-01-174-0708