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 6220-00-316-2500
NSN 5999-01-611-8478
NSN 6650-01-270-8460
NSN 5965-00-617-5731
NSN 6220-01-281-2566
NSN 5905-01-641-7205
NSN 6650-00-469-6682
NSN 4140-00-128-8072
NSN 4140-01-188-0111
NSN 6610-00-805-9725
NSN 5960-01-599-9821
NSN 6135-01-442-0888