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 6620-00-464-6105
NSN 5895-00-902-1415
NSN 6135-01-576-9616
NSN 5965-01-586-5283
NSN 6240-00-008-5263
NSN 5975-01-608-1798
NSN 5905-00-905-5308
NSN 6105-00-527-2193
NSN 6145-01-289-2596
NSN 4140-00-580-8508
NSN 5990-01-166-2237
NSN 5950-01-315-4401