Item must comply with requirements of defense supply center philadelphia production standard no. Po0036nrp
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 6685-00-012-3734
NSN 2925-01-312-9502
NSN 5965-01-454-8649
NSN 6610-01-444-2050
NSN 6610-00-810-3245
NSN 5910-01-032-6465
NSN 6220-01-412-0360
NSN 6110-01-290-4759
NSN 5960-00-816-9040
NSN 5965-01-350-1890
NSN 6645-01-345-5318
NSN 5920-00-900-0220