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 5975-00-802-4169
NSN 5895-01-437-7839
NSN 7035-00-104-7613
NSN 5950-00-702-1536
NSN 5895-01-575-8757
NSN 5910-00-155-0413
NSN 5925-00-102-1351
NSN 6105-01-660-8261
NSN 5935-01-435-5065
NSN 6240-01-302-1624
NSN 5950-01-464-4196
NSN 5965-00-170-5254