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 6150-00-756-7941
NSN 5910-01-346-3780
NSN 5996-00-259-0309
NSN 5910-00-144-2888
NSN 5925-01-470-8778
NSN 5985-01-643-5854
NSN 6240-01-536-3604
NSN 2925-01-579-1010
NSN 6620-01-388-8955
NSN 6220-01-550-7173
NSN 5930-01-386-6417
NSN 6620-00-130-0815