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 6620-01-117-0834
NSN 6620-00-167-3825
NSN 6320-00-371-8335
NSN 6145-01-232-9454
NSN 6145-01-279-1264
NSN 5910-01-221-8191
NSN 6145-01-126-4158
NSN 5905-01-364-1324
NSN 5915-01-501-2590
NSN 5855-01-525-1994
NSN 5905-01-220-0714
NSN 6320-00-636-0922