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 5920-00-391-6252
NSN 6150-01-481-2822
NSN 5945-01-013-8585
NSN 2925-01-197-7864
NSN 5998-01-279-0210
NSN 4140-00-148-7013
NSN 6650-01-555-4370
NSN 6685-01-253-5894
NSN 5910-00-835-2183
NSN 5935-01-014-0739
NSN 5999-01-034-8295
NSN 4140-00-580-8508