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 4140-01-146-5409
NSN 6645-01-447-1516
NSN 5998-01-359-3061
NSN 5835-01-281-7281
NSN 5996-01-232-0067
NSN 6110-01-347-2647
NSN 6130-00-359-2747
NSN 6130-01-652-8544
NSN 4140-01-076-3720
NSN 5920-01-218-5742
NSN 5990-01-507-7495
NSN 5915-01-391-8810