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 5998-00-001-8571
NSN 6220-01-393-8160
NSN 5960-01-443-3067
NSN 6685-00-319-3497
NSN 5905-01-433-7871
NSN 5945-01-055-7486
NSN 6220-00-364-1605
NSN 5975-00-705-7667
NSN 6645-01-560-3034
NSN 5910-01-364-5191
NSN 5910-01-600-8747
NSN 5930-01-237-3434