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 6130-00-862-5516
NSN 5960-01-657-5958
NSN 6135-00-008-5345
NSN 6135-00-405-1989
NSN 5915-01-501-7997
NSN 6685-00-017-8258
NSN 6645-01-383-6514
NSN 5835-00-148-9719
NSN 6105-01-164-5302
NSN 6135-01-260-1100
NSN 6130-00-615-5727
NSN 6240-01-304-6355