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 5915-00-548-4381
NSN 5930-00-719-7604
NSN 4140-01-363-2258
NSN 2925-00-555-8836
NSN 5935-00-705-2786
NSN 5975-01-330-4426
NSN 5895-00-182-3433
NSN 5930-01-494-5157
NSN 6645-00-620-9294
NSN 4140-01-534-7833
NSN 6685-00-957-0716
NSN 6620-01-331-9031