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 4140-00-805-9531
NSN 2925-00-295-8109
NSN 5950-01-082-6989
NSN 5985-01-510-9554
NSN 2925-00-147-8150
NSN 5935-00-500-9995
NSN 6130-01-523-3730
NSN 6685-01-660-6751
NSN 5920-01-264-9259
NSN 5835-01-215-5961
NSN 7035-01-432-9034
NSN 5855-01-598-7392