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 2925-01-397-8028
NSN 5920-01-221-9598
NSN 5935-01-302-5964
NSN 4140-00-732-9427
NSN 5950-01-359-4385
NSN 5996-00-471-0540
NSN 6645-00-258-8547
NSN 2925-01-629-9416
NSN 4140-01-444-7543
NSN 5960-00-786-7967
NSN 5990-00-952-7100
NSN 5855-01-598-2062