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 6650-00-943-4247
NSN 6620-00-410-6373
NSN 5925-01-032-3461
NSN 6610-01-504-7622
NSN 6135-00-269-5843
NSN 6150-00-925-1005
NSN 5930-00-212-1116
NSN 5950-01-215-1260
NSN 6105-01-466-6031
NSN 2925-01-073-8223
NSN 5920-00-355-4735
NSN 5930-00-003-6644