Item must comply with requirements of defense supply center philadelphia production standard no. Po0127nrp
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 6320-01-578-6006
NSN 6650-01-606-2277
NSN 6145-00-078-9917
NSN 5996-00-156-5967
NSN 6150-01-473-1178
NSN 6685-00-434-0101
NSN 5950-01-589-6081
NSN 5960-01-017-5449
NSN 5835-01-053-1236
NSN 5905-01-595-2544
NSN 6685-01-591-0418
NSN 5910-01-266-5748