Backup ring - graphite filled polytetrafluoroethylene gtc p4 material
An item composed of a compressible nonmetallic ring which may be loosely fitted into a noncompressible retaining ring, or may be of one piece construction with the compressible ring molded and/or mechanically connected to the retainer. It is specifically designed to form a fluid tight seal when compressed by a packing nut, gland, etc., between fixed surfaces and a cylindrical item passing through it. Excludes seal, plain, encased.
Classification: Gaskets,washers & other seals
NSN 5915-00-138-9155
NSN 7035-00-020-2227
NSN 6130-01-621-3421
NSN 6685-01-353-1192
NSN 5990-00-181-2220
NSN 5998-01-425-7618
NSN 6105-01-625-4350
NSN 5990-01-577-2120
NSN 5960-01-411-5899
NSN 6620-01-332-0623
NSN 6240-01-578-7443
NSN 5950-01-507-6010