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 5935-00-170-7173
NSN 5990-00-081-3937
NSN 5895-00-615-6503
NSN 6685-01-367-3675
NSN 5975-00-891-9738
NSN 6110-01-453-3160
NSN 5910-01-142-5149
NSN 6130-00-250-1057
NSN 6610-00-737-6611
NSN 5945-01-089-7220
NSN 6130-01-555-3906
NSN 5945-01-044-5291