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 6220-01-445-9633
NSN 5925-01-473-1924
NSN 2925-01-123-5856
NSN 6685-01-215-1204
NSN 6130-01-523-0148
NSN 5935-01-373-6276
NSN 5960-00-924-9627
NSN 6650-00-816-6525
NSN 5990-01-512-9129
NSN 5920-01-330-0486
NSN 6110-00-432-4417
NSN 6145-00-278-0697