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 5935-01-454-8445
NSN 5965-00-762-0630
NSN 2925-00-766-1278
NSN 5910-01-239-4824
NSN 5975-01-493-4537
NSN 6110-01-411-6619
NSN 6240-01-576-9120
NSN 5855-01-462-5150
NSN 5975-00-116-3874
NSN 6610-01-428-3587
NSN 6685-00-042-8473
NSN 5990-00-562-8413