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 5960-00-583-4902
NSN 6145-01-040-7572
NSN 5915-00-258-4398
NSN 7035-01-213-4008
NSN 6130-00-052-7621
NSN 6645-01-518-7287
NSN 5895-01-200-0995
NSN 5920-00-432-7643
NSN 6135-01-122-4448
NSN 5855-01-286-2916
NSN 6145-01-123-7019
NSN 7035-01-160-4423