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 5996-00-045-8379
NSN 6620-00-050-1086
NSN 5895-00-098-5431
NSN 5855-00-281-3843
NSN 5965-01-173-9106
NSN 5990-01-254-3197
NSN 6135-01-069-2482
NSN 5855-01-579-3864
NSN 6150-01-634-0575
NSN 5910-01-472-3798
NSN 6610-01-591-3947
NSN 2925-00-126-2879