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 6150-00-159-0813
NSN 6610-01-011-5942
NSN 5965-01-160-2691
NSN 5975-00-417-0543
NSN 6685-01-210-8175
NSN 5930-01-479-1951
NSN 5960-01-474-4843
NSN 5945-00-557-4079
NSN 6240-00-578-7894
NSN 6645-00-012-5834
NSN 5965-01-205-3088
NSN 6150-00-803-8893