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 5990-01-116-2181
NSN 6150-01-228-6300
NSN 6685-01-217-0284
NSN 2925-01-359-4027
NSN 6130-00-287-1972
NSN 5975-01-152-2635
NSN 5895-01-088-6029
NSN 5920-01-444-9935
NSN 6620-01-547-3967
NSN 5835-01-507-0731
NSN 5935-00-928-6199
NSN 6620-01-089-4416