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 2925-01-422-1542
NSN 6620-00-461-4934
NSN 5996-00-778-4735
NSN 5835-01-557-9062
NSN 6320-01-631-7828
NSN 5920-01-233-8373
NSN 6130-01-359-0016
NSN 5895-01-167-0404
NSN 5985-01-147-4449
NSN 6620-01-444-4048
NSN 6135-01-468-6491
NSN 5950-01-197-7625