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 5925-00-525-4037
NSN 5905-00-705-1673
NSN 6320-01-369-5014
NSN 5945-00-714-3916
NSN 5960-01-112-2321
NSN 6130-00-810-0740
NSN 6320-00-242-3300
NSN 5965-01-537-3238
NSN 6610-00-932-2465
NSN 6145-00-989-4252
NSN 6620-01-486-0937
NSN 5935-01-187-8821