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 5975-01-086-0508
NSN 6220-01-175-1246
NSN 5925-00-155-2587
NSN 5975-01-025-1613
NSN 6150-01-535-0920
NSN 6685-01-440-1844
NSN 6685-00-123-8369
NSN 5985-00-944-6818
NSN 5998-01-065-7340
NSN 6130-00-596-9565
NSN 6320-01-021-6633
NSN 5990-01-423-8189