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 5950-01-425-2163
NSN 5930-01-390-9446
NSN 6135-00-284-1406
NSN 5950-01-569-7795
NSN 5965-01-107-4078
NSN 5930-01-502-0035
NSN 5985-00-920-3877
NSN 6135-01-090-5365
NSN 6320-00-456-0836
NSN 5910-01-224-7389
NSN 5960-00-592-4118
NSN 6320-01-249-0598