Item must comply with requirements of defense supply center philadelphiaproduction standard no. Po0258nrp
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 6220-00-066-9599
NSN 5930-01-230-8069
NSN 5996-00-951-9181
NSN 5930-00-200-1351
NSN 5925-01-216-2172
NSN 5905-00-259-1261
NSN 6645-00-230-4396
NSN 5950-00-377-9882
NSN 5915-01-142-5755
NSN 5945-01-442-5669
NSN 6220-01-512-2028
NSN 6620-01-630-3494