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 5990-00-946-8587
NSN 5920-00-420-1737
NSN 6645-01-222-5468
NSN 6135-01-554-8523
NSN 5975-00-419-9812
NSN 5990-01-315-3754
NSN 6645-00-780-5260
NSN 6150-01-406-4703
NSN 5990-00-965-9611
NSN 6105-01-508-7921
NSN 6145-01-335-3090
NSN 5975-01-491-5554