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 6645-01-537-8558
NSN 5960-01-231-3484
NSN 6320-00-695-3891
NSN 5990-01-500-5412
NSN 6220-01-601-5320
NSN 6145-01-590-3114
NSN 5910-01-246-2061
NSN 5996-00-452-2187
NSN 5930-01-016-0423
NSN 2925-00-397-4781
NSN 5945-01-544-3131
NSN 5905-00-558-4771