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 6145-00-165-2074
NSN 6130-01-230-0144
NSN 5985-00-549-1511
NSN 5985-01-275-4865
NSN 6320-00-456-0836
NSN 6150-01-076-9377
NSN 5999-00-161-0620
NSN 5895-00-899-0334
NSN 5975-01-613-5269
NSN 6130-00-061-7486
NSN 5945-01-435-7411
NSN 5975-01-535-1616