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 6685-01-171-5120
NSN 5985-00-982-5943
NSN 6145-00-807-5956
NSN 6150-01-021-4995
NSN 6145-01-605-0948
NSN 6240-01-098-6410
NSN 5999-00-864-1150
NSN 6145-00-635-2680
NSN 5895-00-756-5600
NSN 5925-01-334-6357
NSN 6220-00-139-5276
NSN 6135-01-370-2599