National Stock Number: 5330-14-560-3208
  Federal Supply Class: 5330
  National Item Identification Number: 145603208
  Description: PACKING WITH RETAIN
  Detail: 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. 
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