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 5975-01-197-5577
NSN 5935-00-111-6257
NSN 5945-01-290-4370
NSN 5855-00-198-3197
NSN 2925-01-440-9912
NSN 5998-00-121-4173
NSN 5905-01-449-6153
NSN 5895-00-270-6595
NSN 6150-01-342-2515
NSN 2925-01-252-8049
NSN 5915-01-615-9346
NSN 5960-01-125-2356