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 5910-01-216-9469
NSN 6220-00-573-5747
NSN 5945-01-092-9951
NSN 6135-01-576-9616
NSN 5920-00-753-5113
NSN 5965-01-121-2511
NSN 5965-01-016-1606
NSN 5996-01-173-3202
NSN 7035-00-541-8516
NSN 6620-01-429-5824
NSN 5920-01-376-0228
NSN 5985-00-112-4612