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 5945-01-536-1581
NSN 6135-00-191-6444
NSN 6145-00-615-2019
NSN 5855-01-076-5202
NSN 5998-01-157-1975
NSN 4140-01-480-0792
NSN 6110-00-255-0227
NSN 6240-01-204-5454
NSN 5945-01-156-0095
NSN 6610-01-376-9199
NSN 5855-01-100-3272
NSN 5910-00-045-9260