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 4140-01-399-4352
NSN 5905-01-461-2156
NSN 5965-01-213-3989
NSN 5996-01-042-8554
NSN 6150-00-978-7338
NSN 6620-01-288-8249
NSN 6130-01-471-3477
NSN 6130-01-597-8442
NSN 6240-00-143-6558
NSN 5915-01-555-7885
NSN 6685-01-217-7870
NSN 6320-01-029-4220