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 5920-00-787-8033
NSN 5930-00-280-2562
NSN 6145-01-451-4304
NSN 6130-01-378-5112
NSN 2925-01-381-5307
NSN 5998-00-576-4861
NSN 5905-00-564-4461
NSN 5945-01-092-8644
NSN 6320-00-908-6841
NSN 5855-00-973-5717
NSN 5975-01-501-1448
NSN 5905-01-269-7761