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 6610-00-918-3389
NSN 6145-00-269-4271
NSN 5996-01-287-8311
NSN 6150-01-023-7710
NSN 5950-00-677-0701
NSN 5975-00-695-7925
NSN 6220-01-208-1640
NSN 5855-01-416-5085
NSN 7035-01-529-4603
NSN 4140-01-509-0738
NSN 5905-01-040-8955
NSN 7035-01-398-9581