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 5855-00-198-3197
NSN 6150-01-033-1096
NSN 5985-01-171-5498
NSN 6240-00-421-1862
NSN 6130-01-189-5725
NSN 5945-01-614-1713
NSN 6645-01-307-8203
NSN 6220-01-038-0418
NSN 5990-00-223-5938
NSN 6650-01-126-2029
NSN 7035-01-560-1065
NSN 4140-01-237-1509