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 5985-01-460-9506
NSN 5985-00-842-3795
NSN 5965-01-046-9619
NSN 6240-01-622-3020
NSN 5990-01-376-4376
NSN 5925-00-453-5892
NSN 6610-00-070-9662
NSN 6685-01-451-3937
NSN 5950-00-464-3386
NSN 5996-01-445-5528
NSN 6610-00-161-0680
NSN 5905-01-114-9791