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 5910-01-649-8075
NSN 6240-01-558-6808
NSN 5996-00-900-8177
NSN 5960-01-398-9538
NSN 5945-00-144-8073
NSN 5895-01-319-9151
NSN 6145-01-328-7991
NSN 5965-00-296-9994
NSN 2925-01-510-9378
NSN 5960-00-766-1844
NSN 5920-01-197-0261
NSN 6645-01-296-2301