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 5945-00-172-3120
NSN 7035-01-165-0234
NSN 5920-01-634-0250
NSN 6320-01-119-3935
NSN 5950-00-470-5076
NSN 5998-01-428-9545
NSN 6240-01-454-6542
NSN 5999-01-079-8862
NSN 5835-01-535-0948
NSN 6685-00-751-3091
NSN 5925-01-360-3090
NSN 6240-00-454-6490