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 5910-01-422-1699
NSN 6620-00-834-7502
NSN 5915-01-633-9845
NSN 5905-01-399-0239
NSN 2925-01-517-8544
NSN 5855-00-149-0766
NSN 5999-01-435-5304
NSN 5915-01-056-5141
NSN 5975-01-534-6933
NSN 6685-01-473-9026
NSN 5990-01-555-6616
NSN 5990-01-461-8969