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 5965-00-469-5009
NSN 5975-00-414-7143
NSN 5925-00-752-8292
NSN 6135-01-568-1367
NSN 5945-01-218-5645
NSN 5855-01-562-3132
NSN 5905-01-516-8932
NSN 6145-00-924-8017
NSN 6645-01-047-3026
NSN 5910-01-367-5460
NSN 5990-00-543-0234
NSN 5910-01-120-6047