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 5998-00-249-0516
NSN 6110-01-470-7688
NSN 5925-00-111-0452
NSN 7035-00-574-4223
NSN 6145-01-529-7653
NSN 5945-01-555-6489
NSN 2925-00-159-0337
NSN 5930-00-252-2579
NSN 6320-00-908-6841
NSN 5950-00-473-2141
NSN 6130-01-649-6870
NSN 5905-00-774-3118