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 7035-01-328-7448
NSN 6135-01-370-2599
NSN 5975-00-834-1821
NSN 5960-01-331-3817
NSN 5945-00-419-0184
NSN 5985-00-636-8689
NSN 5965-00-351-7460
NSN 6240-01-406-5345
NSN 5985-01-392-3291
NSN 4140-01-659-1846
NSN 4140-00-635-9195
NSN 5985-00-118-4728