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 5915-01-471-7727
NSN 5996-01-136-3751
NSN 6150-00-072-1548
NSN 5920-01-442-4937
NSN 5925-01-221-4088
NSN 5855-01-400-1590
NSN 5960-01-431-4291
NSN 5950-01-029-2695
NSN 5999-01-588-4916
NSN 4140-01-495-1352
NSN 5910-01-441-0987
NSN 6135-01-384-4395