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 5920-00-224-6336
NSN 6645-01-432-1068
NSN 6320-00-925-0558
NSN 5925-01-549-7714
NSN 5965-01-591-3258
NSN 5935-01-399-1886
NSN 6620-01-573-5794
NSN 6145-01-435-7139
NSN 5945-00-963-5805
NSN 7035-01-555-8793
NSN 5975-00-108-6464
NSN 5835-01-158-6878