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 5990-01-138-8981
NSN 6220-01-658-6930
NSN 6320-01-106-4414
NSN 5960-01-481-3722
NSN 6145-00-657-4755
NSN 5975-01-026-4995
NSN 5895-01-410-7717
NSN 5945-00-456-0699
NSN 5910-01-651-1894
NSN 5855-01-020-7982
NSN 5960-00-115-8476
NSN 5915-01-521-2953