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 4140-01-543-4697
NSN 6645-00-258-8547
NSN 6610-01-005-1190
NSN 5910-00-918-0791
NSN 5910-01-243-6166
NSN 5905-01-338-5506
NSN 5950-01-018-0232
NSN 6240-01-648-6370
NSN 6240-01-595-6812
NSN 5999-01-468-0300
NSN 5975-01-284-1937
NSN 5990-01-503-0194