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 5950-01-325-5398
NSN 4140-01-555-0876
NSN 6645-00-033-8714
NSN 6220-00-541-8515
NSN 5985-01-050-1216
NSN 4140-00-230-4252
NSN 6145-01-110-2746
NSN 5935-01-478-5503
NSN 6110-00-556-0080
NSN 5935-01-634-0668
NSN 5990-00-288-1820
NSN 5998-01-559-2429