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 6145-00-844-3777
NSN 6320-00-369-1333
NSN 7035-01-487-5842
NSN 6135-01-423-7502
NSN 6645-01-653-7762
NSN 5965-00-087-3245
NSN 5960-00-932-3067
NSN 5925-01-091-9731
NSN 5975-01-288-9624
NSN 5925-01-382-9313
NSN 6135-01-656-0761
NSN 6240-01-161-1430