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 5920-01-123-5836
NSN 6130-00-273-1111
NSN 6150-01-008-4109
NSN 5998-00-907-4099
NSN 4140-01-207-3577
NSN 5960-01-177-7406
NSN 5925-00-841-6798
NSN 6105-01-508-1601
NSN 7035-00-171-0804
NSN 5910-00-728-4703
NSN 7035-01-555-8289
NSN 5975-00-296-0294