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 5999-01-400-0809
NSN 5915-01-548-3128
NSN 6110-01-411-7392
NSN 6620-01-025-1443
NSN 5905-00-892-7289
NSN 5855-01-133-3587
NSN 6150-00-504-3056
NSN 5998-01-469-6430
NSN 6105-01-418-1877
NSN 5996-01-640-6852
NSN 6240-01-038-9729
NSN 2925-01-500-0730