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 5905-01-400-1986
NSN 6685-00-306-1405
NSN 5935-00-071-5059
NSN 6220-01-076-5057
NSN 6650-01-181-6037
NSN 5930-01-549-8102
NSN 6645-00-558-0028
NSN 6150-01-609-3930
NSN 5855-00-879-7245
NSN 5965-00-167-7659
NSN 5910-01-235-6769
NSN 6145-00-615-2019