Min tensile strength to be 2000 psi
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 5999-01-384-3137
NSN 5985-01-300-2436
NSN 5895-01-459-6075
NSN 5910-01-583-4482
NSN 6240-00-204-0459
NSN 6320-01-526-5534
NSN 7035-00-445-9657
NSN 6650-01-459-8703
NSN 5975-00-862-2495
NSN 5999-00-105-9054
NSN 6610-01-616-8852
NSN 5950-01-600-8820