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 6645-01-590-5534
NSN 2925-00-909-2596
NSN 5910-01-025-1247
NSN 6135-00-477-8847
NSN 5950-01-157-8425
NSN 5905-01-386-6927
NSN 6145-01-524-7113
NSN 5975-01-576-9501
NSN 4140-01-412-5032
NSN 5998-00-840-6834
NSN 5950-00-843-0661
NSN 5960-01-391-8860