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 5920-00-520-6169
NSN 6145-01-519-7571
NSN 5975-01-602-9402
NSN 6145-01-576-3711
NSN 5835-00-170-5238
NSN 6610-01-242-9674
NSN 6135-01-552-1568
NSN 6610-00-371-5953
NSN 6685-01-225-6459
NSN 5945-00-816-9717
NSN 5835-01-066-5337
NSN 5975-01-468-5230