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 6645-00-806-6961
NSN 6130-01-213-0196
NSN 5915-01-333-2205
NSN 6145-01-085-7047
NSN 6110-00-539-0422
NSN 6620-01-142-8277
NSN 5925-01-262-6152
NSN 2925-00-156-6615
NSN 5965-01-432-1943
NSN 6685-01-593-4175
NSN 5960-01-172-2088
NSN 6220-00-225-8345