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 6645-01-633-1852
NSN 5999-01-201-8643
NSN 6150-01-205-2440
NSN 5925-01-512-8731
NSN 5996-00-636-4019
NSN 5925-00-943-0250
NSN 5925-01-429-0392
NSN 6105-01-079-8847
NSN 5855-00-832-9341
NSN 5925-00-682-0742
NSN 5925-00-971-2126
NSN 6130-01-556-0528