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 5990-01-571-7468
NSN 6645-01-162-8023
NSN 6110-00-938-3723
NSN 6685-00-105-5970
NSN 5945-00-928-8307
NSN 6645-01-049-6116
NSN 5975-01-388-1746
NSN 6130-00-573-3573
NSN 5996-01-166-7701
NSN 5960-01-327-9536
NSN 5960-01-203-3619
NSN 6145-01-429-3108