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 5920-00-113-6041
NSN 6645-01-542-6159
NSN 5910-01-240-9177
NSN 5945-00-783-4404
NSN 6130-01-616-4955
NSN 5910-00-388-6737
NSN 5960-01-060-4375
NSN 6220-01-055-7423
NSN 6130-01-496-5249
NSN 5835-01-086-6999
NSN 6240-00-152-2996
NSN 5960-01-391-4701