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 5930-00-171-8867
NSN 6105-00-954-6535
NSN 4140-01-365-6528
NSN 6105-01-384-3687
NSN 6620-00-494-1428
NSN 5985-01-429-7173
NSN 2925-00-051-1467
NSN 6610-01-086-6125
NSN 2925-01-224-1884
NSN 5925-00-111-1969
NSN 6105-01-532-1601
NSN 5998-00-312-3060