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 2925-00-448-4685
NSN 4140-01-440-1306
NSN 5895-00-596-8678
NSN 6320-01-166-3602
NSN 5965-01-562-9365
NSN 5895-01-129-2939
NSN 6110-01-487-4198
NSN 6105-01-525-7295
NSN 6220-00-552-0667
NSN 5930-00-149-1608
NSN 5895-01-269-5025
NSN 2925-00-200-0085