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 5998-01-534-6768
NSN 5905-01-425-3741
NSN 5855-01-301-0158
NSN 5998-01-592-3430
NSN 6220-00-617-1843
NSN 5915-01-577-4016
NSN 5985-00-327-6704
NSN 6220-01-057-7365
NSN 6105-01-114-4452
NSN 6320-01-116-3980
NSN 6130-00-890-8471
NSN 6610-01-535-4230