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 6645-01-258-9272
NSN 6135-00-100-0485
NSN 5930-01-490-6909
NSN 4140-00-928-3640
NSN 5895-01-149-1669
NSN 5920-00-574-4286
NSN 4140-01-546-7764
NSN 5895-00-103-2373
NSN 5999-01-528-8043
NSN 6135-01-116-3385
NSN 5998-01-188-6234
NSN 5996-01-325-4159