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 5935-00-161-1649
NSN 6620-01-299-8949
NSN 5950-01-198-6998
NSN 6620-01-481-1358
NSN 5910-00-009-9942
NSN 6620-00-043-6082
NSN 6110-00-155-4303
NSN 5975-00-706-7087
NSN 6110-01-265-1080
NSN 5990-00-283-1324
NSN 5950-01-458-3338
NSN 5965-01-648-5763