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 5998-01-400-6739
NSN 6145-01-487-6739
NSN 6150-00-499-9716
NSN 5945-01-536-3925
NSN 5915-01-061-1050
NSN 6130-01-172-0367
NSN 5895-01-554-4746
NSN 5915-01-067-9129
NSN 5990-01-378-7349
NSN 5960-01-543-0235
NSN 6150-01-356-0665
NSN 6135-00-777-5562