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 5975-01-388-1746
NSN 6150-00-233-5833
NSN 5935-01-444-1587
NSN 7035-01-647-4897
NSN 5935-00-782-4721
NSN 6320-00-456-2092
NSN 4140-01-120-4460
NSN 5925-01-239-3904
NSN 5925-00-702-7367
NSN 5835-01-486-4191
NSN 5905-01-527-7211
NSN 5960-01-274-3900