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 5996-01-501-7889
NSN 6150-00-350-3086
NSN 5960-01-340-4487
NSN 6650-01-145-5663
NSN 4140-01-101-6864
NSN 6610-01-465-1320
NSN 5925-00-454-8068
NSN 5855-01-040-3881
NSN 6650-01-332-7634
NSN 5985-01-036-8433
NSN 5920-00-057-5934
NSN 6130-00-247-8871