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 6645-00-408-0304
NSN 6240-00-059-4637
NSN 5915-01-479-4526
NSN 6135-00-919-1117
NSN 5925-01-165-1766
NSN 5996-00-828-2522
NSN 5990-00-021-3660
NSN 6685-00-894-2115
NSN 5960-01-065-7900
NSN 5945-01-634-0588
NSN 5999-01-420-0144
NSN 5950-00-914-2377