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 5985-01-381-1925
NSN 5835-01-447-2544
NSN 5945-01-498-8333
NSN 5996-01-253-8676
NSN 6685-01-126-9462
NSN 5998-01-274-0717
NSN 6105-01-046-1434
NSN 6110-00-539-9543
NSN 6220-01-212-8802
NSN 5925-01-430-2318
NSN 5905-01-442-5214
NSN 5990-01-326-2677