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 5945-01-334-9697
NSN 5905-01-006-2728
NSN 6220-01-620-2034
NSN 5985-01-461-1213
NSN 6620-01-276-9825
NSN 6620-01-364-7461
NSN 5855-01-062-5655
NSN 6685-00-089-9856
NSN 5925-00-247-5799
NSN 5905-01-077-2554
NSN 5950-01-311-9824
NSN 4140-01-372-0632