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 5996-01-218-0522
NSN 7035-01-330-4799
NSN 6150-01-051-1678
NSN 6135-00-209-6918
NSN 6645-01-050-5221
NSN 5999-01-252-4517
NSN 5975-01-149-8889
NSN 5920-01-391-3008
NSN 5990-01-568-5565
NSN 6145-01-441-1201
NSN 6645-01-008-2720
NSN 6145-01-499-4107