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 2925-00-078-0525
NSN 5925-01-269-5151
NSN 6135-01-176-2206
NSN 5930-01-460-7192
NSN 5930-01-541-5101
NSN 5950-01-063-6889
NSN 6150-01-280-5362
NSN 6145-01-364-0346
NSN 5905-01-415-2902
NSN 6645-00-246-4934
NSN 6220-01-365-9048
NSN 5996-01-409-1860