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 5950-00-228-0818
NSN 6220-00-142-5115
NSN 5905-01-435-4531
NSN 6240-01-145-4916
NSN 6650-00-456-7654
NSN 5895-00-944-2453
NSN 6220-00-010-1595
NSN 6645-00-409-2168
NSN 6685-01-505-0892
NSN 5985-00-061-6024
NSN 6620-00-090-1601
NSN 7035-00-235-3529