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 6135-01-332-0431
NSN 6645-00-580-9605
NSN 6220-01-023-3296
NSN 5855-00-118-8762
NSN 5975-00-706-0685
NSN 7035-01-449-1189
NSN 6135-00-973-5632
NSN 5895-01-325-8772
NSN 5999-00-725-8539
NSN 6240-01-067-1494
NSN 5905-01-102-8714
NSN 5920-01-141-5706