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 6320-01-056-1164
NSN 5835-01-257-5342
NSN 7035-01-339-3665
NSN 6320-01-519-0916
NSN 7035-00-205-8739
NSN 5945-01-092-3533
NSN 6145-01-237-3991
NSN 6240-00-887-4770
NSN 6220-01-634-0660
NSN 7035-01-483-1776
NSN 5895-01-240-2515
NSN 5985-01-025-9281