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 5975-01-576-2610
NSN 6620-01-367-4960
NSN 5960-01-457-0157
NSN 5998-01-295-9990
NSN 6645-01-459-1499
NSN 6240-01-513-4545
NSN 6130-01-294-3984
NSN 6240-01-283-0404
NSN 6645-01-659-1583
NSN 7035-01-217-3591
NSN 2925-00-998-0145
NSN 6110-00-500-4914