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 6220-01-526-5854
NSN 5965-00-226-7870
NSN 5905-00-277-7439
NSN 5999-01-231-1997
NSN 2925-01-542-5671
NSN 5985-00-255-5344
NSN 6220-00-977-0986
NSN 2925-00-802-9387
NSN 6145-01-020-8428
NSN 6620-01-610-5081
NSN 6150-01-107-3455
NSN 5925-00-938-7370