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 6620-00-864-8153
NSN 6610-01-107-7576
NSN 5925-00-286-8502
NSN 5895-01-105-3821
NSN 5999-01-374-4919
NSN 6135-01-615-5378
NSN 5905-00-306-2271
NSN 6320-00-779-5923
NSN 6145-00-455-7237
NSN 6135-01-453-5069
NSN 5925-01-412-6175
NSN 5960-00-303-3675