Impregnated with hard wax
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 4140-01-182-8905
NSN 5925-01-388-3325
NSN 6610-00-567-9385
NSN 6685-00-812-9169
NSN 4140-01-495-8852
NSN 6110-01-459-2288
NSN 5905-00-671-4558
NSN 6110-00-334-3361
NSN 5996-01-652-0700
NSN 6145-01-104-3358
NSN 6610-00-151-8074
NSN 6220-00-350-8204