Material is nitrile
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 6145-00-342-8122
NSN 5950-01-364-1139
NSN 6110-00-346-7958
NSN 5835-01-535-0948
NSN 5895-00-691-5586
NSN 5960-01-058-1074
NSN 5855-00-221-9435
NSN 6105-01-058-9918
NSN 5905-01-273-8147
NSN 6620-01-237-5603
NSN 6150-00-233-6356
NSN 5985-01-634-0635