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 6240-00-577-3357
NSN 5975-00-891-7452
NSN 5930-00-760-0615
NSN 5999-00-469-5031
NSN 5996-01-143-2583
NSN 6130-01-339-6249
NSN 6650-01-333-9155
NSN 5930-00-236-3514
NSN 5925-01-617-6381
NSN 5945-01-412-9354
NSN 6105-01-564-4298
NSN 7035-01-378-5074