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 5925-00-312-7941
NSN 6320-01-440-8771
NSN 6110-01-571-7987
NSN 6105-00-090-9495
NSN 6240-01-122-5856
NSN 5975-00-149-0758
NSN 6645-00-538-2904
NSN 5999-00-932-0431
NSN 6145-01-442-6965
NSN 5855-01-473-4354
NSN 4140-01-390-9552
NSN 5930-01-576-9804