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 5920-01-053-9797
NSN 6145-00-603-2608
NSN 5935-01-025-9944
NSN 5999-00-657-3435
NSN 5985-00-504-2477
NSN 6150-00-709-3538
NSN 5855-01-397-1105
NSN 5960-01-029-5637
NSN 6645-01-381-2050
NSN 5960-00-719-9631
NSN 5935-01-396-1846
NSN 6145-01-013-4068