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 6685-01-365-2720
NSN 4140-00-358-5312
NSN 5998-01-406-3924
NSN 5985-00-370-2616
NSN 5925-01-644-0815
NSN 5905-01-003-0867
NSN 5915-01-573-0218
NSN 5950-01-613-2892
NSN 5999-01-427-3702
NSN 5965-00-243-9496
NSN 5999-00-580-1876
NSN 5965-01-301-2553