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 6320-01-227-2648
NSN 5855-01-301-0158
NSN 6220-00-660-5539
NSN 7035-01-260-9543
NSN 5999-01-208-7730
NSN 6685-01-480-9230
NSN 5950-01-451-4538
NSN 6685-00-836-8148
NSN 5975-01-557-2888
NSN 5960-00-222-7772
NSN 6110-00-524-5427
NSN 5910-00-858-4859