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 5998-01-080-5704
NSN 6150-01-051-0386
NSN 2925-01-429-2235
NSN 6240-00-280-8502
NSN 6320-01-436-0513
NSN 5910-01-469-7612
NSN 5960-01-107-5544
NSN 5910-01-043-4316
NSN 6610-01-323-0901
NSN 6645-01-511-3272
NSN 6610-01-381-3181
NSN 5835-00-378-1429