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 5990-00-281-4164
NSN 5910-01-430-2107
NSN 5895-01-100-1825
NSN 5935-00-799-1589
NSN 6135-01-588-2662
NSN 6685-00-080-7119
NSN 5935-01-580-3501
NSN 6145-00-836-9333
NSN 5920-01-506-4253
NSN 6220-01-484-9193
NSN 5950-00-938-1391
NSN 5925-01-193-7249