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 5990-01-564-5031
NSN 6110-01-194-1196
NSN 6150-00-057-9089
NSN 5999-01-587-9011
NSN 5910-01-530-6772
NSN 6320-00-908-6841
NSN 5910-00-949-5308
NSN 7035-01-432-9034
NSN 5990-00-825-0273
NSN 6145-01-111-3626
NSN 6645-00-451-6462
NSN 5960-01-424-1781