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 5925-01-528-7786
NSN 6135-01-196-7399
NSN 4140-01-463-1331
NSN 6220-01-632-0405
NSN 6610-01-489-0071
NSN 5990-01-389-1196
NSN 5905-01-643-5911
NSN 6145-01-551-1045
NSN 4140-01-601-6071
NSN 5895-00-173-6021
NSN 5925-00-056-0898
NSN 5925-01-406-5626