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 6135-00-880-1026
NSN 5960-01-439-3731
NSN 6220-01-076-1836
NSN 5975-01-222-0487
NSN 6610-01-097-5073
NSN 6685-00-596-8765
NSN 5960-01-573-6483
NSN 5920-01-571-1560
NSN 5930-00-275-2136
NSN 6135-00-889-1485
NSN 6610-00-202-5481
NSN 6610-01-321-6904