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 6240-01-425-1939
NSN 5920-01-120-0798
NSN 5990-01-389-1196
NSN 5920-00-828-7904
NSN 5975-00-636-4910
NSN 6685-01-449-3259
NSN 2925-01-387-0870
NSN 4140-00-108-5688
NSN 6620-01-126-7871
NSN 5985-01-583-9197
NSN 7035-00-442-1869
NSN 5895-00-452-7134