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 5930-01-406-5192
NSN 5895-01-063-6938
NSN 5996-00-406-1956
NSN 5996-00-722-0838
NSN 4140-01-533-0611
NSN 7035-00-205-1932
NSN 2925-00-740-7029
NSN 5990-01-322-9781
NSN 5905-00-019-8440
NSN 5975-01-157-2739
NSN 2925-00-167-6763
NSN 6135-00-128-1633