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 6220-01-439-5761
NSN 6685-01-207-0666
NSN 6240-01-089-6149
NSN 5990-01-236-8399
NSN 6150-00-904-1701
NSN 5996-01-202-8127
NSN 6645-01-435-6373
NSN 5975-00-028-0122
NSN 6150-00-298-8718
NSN 5985-01-291-4278
NSN 5835-00-830-6416
NSN 6610-01-557-4896