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 5998-00-138-3717
NSN 7035-00-206-6123
NSN 6650-00-759-7777
NSN 5920-01-085-6437
NSN 6145-00-164-5881
NSN 5945-01-170-7630
NSN 5835-00-419-0575
NSN 6110-01-307-5269
NSN 6645-01-595-4375
NSN 6110-00-614-4763
NSN 5895-01-562-4366
NSN 5990-00-177-2924