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 5910-01-451-4292
NSN 6220-01-426-2245
NSN 2925-01-052-0636
NSN 2925-00-105-3907
NSN 5905-01-146-5511
NSN 5895-00-107-0198
NSN 5910-01-504-3913
NSN 5998-01-042-1159
NSN 6685-01-418-0925
NSN 6130-00-202-0027
NSN 5835-01-279-2580
NSN 5945-01-031-8189