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 5935-01-290-3851
NSN 5935-00-138-1654
NSN 6145-01-487-8043
NSN 5920-00-769-0967
NSN 6220-00-489-1440
NSN 5835-00-327-6192
NSN 5965-00-240-5777
NSN 6685-00-223-9042
NSN 5855-00-361-0167
NSN 5905-01-175-6064
NSN 5975-01-586-7494
NSN 6130-01-221-7682