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 4140-01-494-0339
NSN 6645-01-627-8040
NSN 5965-01-381-4879
NSN 5855-00-472-2055
NSN 5905-00-145-5743
NSN 5990-01-591-8797
NSN 5915-01-437-1519
NSN 6685-01-350-4330
NSN 5975-01-368-7518
NSN 6610-00-608-1907
NSN 7035-00-870-0290
NSN 5915-01-575-9746