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 5985-01-440-9350
NSN 5925-01-651-6310
NSN 6130-00-530-3737
NSN 6220-00-159-2509
NSN 6220-01-570-9602
NSN 5975-01-312-1855
NSN 5996-01-189-1553
NSN 5855-01-407-3739
NSN 5960-01-531-9108
NSN 6620-01-559-9116
NSN 4140-01-304-1597
NSN 6135-01-180-9611