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 5905-01-280-3749
NSN 6105-00-938-2946
NSN 5999-01-634-0576
NSN 6110-00-342-7433
NSN 6220-00-472-1375
NSN 6145-01-168-7280
NSN 5950-01-448-6492
NSN 5999-01-634-0576
NSN 6105-01-591-0319
NSN 4140-01-067-8242
NSN 5835-01-332-2867
NSN 6145-01-471-1823