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 6610-01-242-9674
NSN 6620-00-471-9732
NSN 5999-00-972-3184
NSN 2925-00-105-3907
NSN 6135-00-840-6451
NSN 5905-00-630-2085
NSN 5945-00-782-1799
NSN 5975-01-387-1753
NSN 5960-00-736-8568
NSN 2925-01-106-3552
NSN 2925-00-635-5922
NSN 6610-01-281-7536