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 6220-01-427-2333
NSN 5920-00-445-3585
NSN 5905-01-142-2894
NSN 5925-01-100-0970
NSN 5975-00-677-8908
NSN 6135-00-450-3528
NSN 5996-00-333-0928
NSN 6145-00-369-3880
NSN 2925-00-928-0045
NSN 6150-00-159-8949
NSN 5855-01-149-4110
NSN 5985-01-323-6460