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 5975-01-549-7543
NSN 6620-00-399-0087
NSN 5960-01-281-1326
NSN 5895-00-408-1955
NSN 6685-00-500-6933
NSN 5915-01-177-7187
NSN 5925-01-454-1931
NSN 7035-01-643-8304
NSN 6130-01-592-4049
NSN 5920-01-514-0031
NSN 5925-01-300-1522
NSN 5835-01-573-8449