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 6135-01-576-9616
NSN 6105-01-368-7864
NSN 6220-01-460-6413
NSN 5945-01-308-8032
NSN 5990-01-507-7495
NSN 6320-01-521-1764
NSN 5998-00-782-9478
NSN 6620-01-423-7300
NSN 4140-01-105-4823
NSN 6145-00-103-3385
NSN 6685-00-073-6772
NSN 5910-00-057-0348