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 6150-01-012-0955
NSN 5990-00-023-4163
NSN 4140-00-259-2567
NSN 6620-01-187-7267
NSN 5835-01-619-6268
NSN 5950-00-900-7638
NSN 6645-01-430-4125
NSN 6685-00-969-3146
NSN 6650-01-435-9377
NSN 6130-00-811-3799
NSN 6645-01-067-4393
NSN 6620-00-054-4778