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 6135-01-223-3869
NSN 6240-00-160-0786
NSN 5985-00-584-3795
NSN 6150-00-659-7123
NSN 5835-01-177-1092
NSN 4140-01-302-6124
NSN 5920-01-029-4538
NSN 6150-00-181-1711
NSN 6110-01-037-4863
NSN 5925-01-234-1326
NSN 4140-01-094-8778
NSN 5999-01-182-7461