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 5950-00-916-1420
NSN 5975-01-510-8709
NSN 6645-01-538-0425
NSN 6610-01-212-9817
NSN 6620-00-038-5343
NSN 5960-01-357-1261
NSN 5975-01-085-4892
NSN 6135-01-010-0891
NSN 5975-00-500-0166
NSN 6220-01-410-8592
NSN 5998-01-435-4443
NSN 6135-00-856-1343