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 5999-01-070-5371
NSN 2925-01-522-5631
NSN 6150-01-192-7399
NSN 5920-00-300-1843
NSN 6110-00-703-4442
NSN 5910-01-437-6881
NSN 5835-00-698-9824
NSN 6150-01-619-7995
NSN 5905-00-633-8370
NSN 5998-01-531-8249
NSN 2925-01-628-6351
NSN 6650-01-266-8762