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 5905-00-466-1685
NSN 6130-01-509-5201
NSN 6620-01-331-9031
NSN 6220-01-470-7388
NSN 6135-01-470-9738
NSN 5930-01-021-7162
NSN 6220-01-435-1681
NSN 7035-00-549-2722
NSN 6620-00-100-4517
NSN 6610-01-397-6965
NSN 5965-01-442-5405
NSN 6620-01-560-7832