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 5925-00-834-0272
NSN 6320-00-905-0543
NSN 5985-01-430-0439
NSN 5998-00-941-3705
NSN 5910-01-380-7611
NSN 6685-00-153-0266
NSN 5920-01-268-7258
NSN 6145-01-055-8851
NSN 5895-00-725-5264
NSN 5905-00-268-2535
NSN 5965-01-012-1065
NSN 6130-01-538-6007