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 6645-01-440-4100
NSN 6620-00-922-2828
NSN 5935-01-297-8581
NSN 6320-01-583-6809
NSN 5935-00-564-4346
NSN 2925-01-509-3465
NSN 5965-01-237-3342
NSN 6620-01-107-2965
NSN 6650-00-734-3985
NSN 5910-00-014-0978
NSN 5985-01-049-4620
NSN 5998-01-503-8190