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 6685-00-269-8307
NSN 6145-01-198-5916
NSN 5920-01-655-8624
NSN 5920-01-137-2410
NSN 6240-00-476-1228
NSN 5950-01-401-5321
NSN 5915-01-306-9736
NSN 6220-01-232-1064
NSN 6110-01-368-4899
NSN 5835-01-116-2369
NSN 5920-00-621-6601
NSN 5915-01-483-2046