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 5998-01-033-1821
NSN 2925-01-097-0903
NSN 5945-00-935-6922
NSN 6220-00-878-7301
NSN 6610-01-542-2276
NSN 6220-01-619-4754
NSN 5835-01-541-9991
NSN 5960-00-861-8369
NSN 7035-00-517-8232
NSN 5990-00-226-7894
NSN 5905-00-233-7103
NSN 5975-00-353-5589