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 5975-01-452-7792
NSN 5985-01-004-9716
NSN 5985-01-214-1540
NSN 6135-01-468-2970
NSN 5925-01-551-1265
NSN 5905-01-400-5968
NSN 6150-00-855-5264
NSN 5975-01-284-3533
NSN 5975-01-609-3038
NSN 6685-00-957-8509
NSN 6220-00-581-3858
NSN 5920-00-198-4337