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 6220-00-409-2120
NSN 6135-01-576-9616
NSN 5905-00-480-0013
NSN 2925-00-183-4390
NSN 6105-01-212-9245
NSN 5950-01-025-1649
NSN 6110-01-010-4551
NSN 7035-01-514-0599
NSN 6220-01-303-4577
NSN 6130-01-327-7917
NSN 6320-00-405-2348
NSN 6150-00-218-0891