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 6620-01-336-2663
NSN 5945-00-540-8178
NSN 5996-00-826-3198
NSN 5915-01-554-4907
NSN 5915-00-226-0910
NSN 6645-00-539-1705
NSN 6130-00-923-1521
NSN 6220-01-152-1701
NSN 5935-01-366-8217
NSN 5945-00-682-9759
NSN 5975-01-076-0541
NSN 5998-00-415-2763