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 5925-01-139-3866
NSN 5905-00-828-5238
NSN 6130-01-420-1571
NSN 6645-01-021-2225
NSN 6685-01-598-8706
NSN 6620-01-207-0047
NSN 6150-00-189-0292
NSN 6320-01-600-0787
NSN 5950-01-552-0335
NSN 6650-00-070-5952
NSN 6610-01-633-8931
NSN 5855-01-385-8846