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 6150-00-331-6351
NSN 5996-00-978-1275
NSN 5855-00-494-9581
NSN 6610-01-652-3333
NSN 5990-00-679-6157
NSN 4140-00-781-8185
NSN 5999-01-344-6167
NSN 5930-00-182-1437
NSN 5950-01-450-6433
NSN 5998-00-094-3020
NSN 5998-00-653-0085
NSN 5920-01-604-9045