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 5930-00-922-8507
NSN 6145-00-422-2321
NSN 5999-01-578-7948
NSN 6320-01-359-3921
NSN 5835-01-027-1828
NSN 5925-01-548-4918
NSN 6685-01-391-6790
NSN 5990-01-465-9235
NSN 6110-01-127-7264
NSN 6620-01-658-7036
NSN 6105-01-152-4191
NSN 5905-00-138-7499