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 2925-01-136-2551
NSN 5925-01-182-8169
NSN 6220-00-925-2233
NSN 6130-01-347-0867
NSN 5999-00-826-7123
NSN 5950-01-529-0331
NSN 4140-01-415-5595
NSN 5895-01-118-7652
NSN 5990-00-760-7474
NSN 5905-00-038-1399
NSN 6685-01-067-6778
NSN 5925-01-558-2834