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 5965-01-576-1868
NSN 5960-01-573-6483
NSN 5920-01-243-8245
NSN 6220-00-528-7752
NSN 6150-01-198-6088
NSN 5998-01-524-8489
NSN 5930-00-511-6644
NSN 4140-01-593-6579
NSN 5975-00-843-8226
NSN 6320-00-098-2858
NSN 6150-01-104-4323
NSN 7035-00-541-8516