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 5935-01-654-8921
NSN 5950-00-018-9436
NSN 5910-00-574-5753
NSN 6610-01-633-8931
NSN 5999-00-248-3227
NSN 5999-01-454-3190
NSN 6220-01-555-8332
NSN 6320-01-386-3491
NSN 6135-01-387-0754
NSN 5915-00-842-6823
NSN 6320-01-299-6367
NSN 4140-01-322-8491