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 6130-00-297-5793
NSN 5996-01-210-4732
NSN 5835-01-281-7281
NSN 2925-01-142-0981
NSN 6145-00-472-9413
NSN 6685-01-384-0877
NSN 5975-01-216-0967
NSN 5950-01-319-4127
NSN 6610-00-977-3660
NSN 6610-01-468-0679
NSN 5930-01-440-8387
NSN 6650-01-197-4585