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 6145-00-466-4068
NSN 6320-01-334-9840
NSN 4140-01-391-6462
NSN 6320-01-406-6098
NSN 5990-01-307-4489
NSN 5960-00-295-5413
NSN 5855-01-258-5161
NSN 5915-01-198-0541
NSN 5975-01-096-6270
NSN 5950-01-297-1346
NSN 6240-01-251-2462
NSN 6610-00-104-8223