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 5960-01-524-8642
NSN 6135-01-522-3386
NSN 6240-01-130-5141
NSN 5835-00-833-7080
NSN 5905-00-623-4801
NSN 2925-01-109-1518
NSN 5945-00-951-0414
NSN 2925-01-043-9786
NSN 5990-01-032-3832
NSN 6620-01-446-6571
NSN 5950-01-355-1595
NSN 5975-01-415-5650