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 6220-01-259-4420
NSN 5985-01-168-8546
NSN 6145-01-356-0655
NSN 6320-01-143-3597
NSN 5996-01-037-3153
NSN 5925-01-191-9854
NSN 6620-00-674-3368
NSN 5950-01-578-8337
NSN 5990-00-234-9136
NSN 6110-00-539-9543
NSN 5985-01-464-4735
NSN 6240-01-561-6593