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 4140-00-833-6239
NSN 5855-01-171-2818
NSN 6130-01-271-9709
NSN 5960-00-740-7285
NSN 2925-01-460-1601
NSN 5975-01-351-6097
NSN 6645-01-510-3496
NSN 6135-01-408-9244
NSN 5950-01-217-6938
NSN 5975-01-249-3506
NSN 5996-00-125-4570
NSN 6610-01-577-3834