Item must comply with requirements of defense supply center philadelphia production standard no. Po0107nrp
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 5999-01-282-2413
NSN 5905-00-199-9432
NSN 6320-00-456-2092
NSN 6220-01-322-9337
NSN 5965-00-015-7408
NSN 5915-01-063-8546
NSN 6220-01-562-3819
NSN 4140-01-415-6013
NSN 6135-01-592-4139
NSN 5930-01-264-5351
NSN 5920-01-032-5002
NSN 6650-01-579-3855