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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-01-541-1633
NSN 6240-01-485-1136
NSN 5925-00-660-7589
NSN 6320-00-139-1090
NSN 6145-01-391-8698
NSN 5999-01-275-2651
NSN 5999-01-119-1532
NSN 5925-01-184-0633
NSN 6645-00-061-8033
NSN 6240-01-327-4120
NSN 5985-01-468-0004
NSN 6145-01-633-3441