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 5990-01-517-1909
NSN 5915-00-622-0390
NSN 5930-01-628-8182
NSN 5930-00-052-7718
NSN 6240-00-960-0315
NSN 5855-01-205-7030
NSN 5965-01-088-5414
NSN 5975-01-235-3889
NSN 5925-00-889-0932
NSN 6105-01-646-6432
NSN 5945-01-160-7894
NSN 6320-01-414-3515