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 4140-00-851-2174
NSN 6110-01-462-4716
NSN 5895-01-246-3665
NSN 5855-01-448-9794
NSN 5985-00-248-4978
NSN 6620-01-281-6386
NSN 5965-00-300-8055
NSN 5998-00-064-5390
NSN 6150-01-608-1838
NSN 6685-01-617-1166
NSN 5999-01-350-7870
NSN 5990-01-261-2962