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 5985-01-456-0318
NSN 5945-00-947-5782
NSN 2925-01-311-7840
NSN 5998-01-619-1666
NSN 5925-00-882-7510
NSN 6645-00-115-6657
NSN 5925-01-093-3388
NSN 6150-01-571-9588
NSN 5905-01-385-6658
NSN 6645-01-556-5263
NSN 6320-01-607-1491
NSN 5960-00-549-3760