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 5950-00-833-6631
NSN 6240-00-246-7242
NSN 6685-01-484-9579
NSN 5975-00-262-7595
NSN 6620-01-208-5915
NSN 5990-01-442-3520
NSN 5835-01-399-5820
NSN 5945-00-122-3650
NSN 5950-01-111-7695
NSN 6645-00-900-5830
NSN 5985-01-370-4311
NSN 4140-01-158-1401