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 2925-01-084-3347
NSN 6620-01-157-6954
NSN 6320-01-113-7647
NSN 5996-01-513-1980
NSN 5910-01-272-7149
NSN 5960-01-180-4350
NSN 6135-01-469-7574
NSN 5990-01-582-1977
NSN 6110-00-033-5444
NSN 6220-00-167-5441
NSN 5975-00-838-7907
NSN 5996-00-332-2438