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 5925-00-353-0612
NSN 6620-01-334-7569
NSN 5905-01-103-8796
NSN 6320-00-779-5923
NSN 6105-00-200-8074
NSN 6145-01-435-5700
NSN 6105-01-647-3772
NSN 5920-00-826-9035
NSN 4140-00-849-9295
NSN 5950-01-474-5010
NSN 5915-01-260-4112
NSN 5920-01-391-7624