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		                             National Stock Number: 4820-01-225-8974
  Federal Supply Class: 4820
  National Item Identification Number: 012258974
  Description: RING,WIPER
  Detail: A CIRCULAR, SINGLE OR MULTIPIECE, RIGID, METALLIC OR NONMETALLIC ITEM HAVING A CENTRALLY LOCATED HOLE WITH A SHARP EDGE ON THE INSIDE PERIPHERY. IT IS SUPPLIED IN VARIOUS CROSS-SECTIONAL SHAPES AND IS DESIGNED TO BE INSTALLED IN A CYLINDER, SHOCK STRUT, OR SIMILAR DEVICE TO REMOVE EXCESS OIL, DIRT, ICE, AND/OR FOREIGN MATERIAL FROM A PISTON, RAM, OR SLIDING ROD. EXCLUDES PACKING, PREFORMED; RING, PISTON; AND SEAL RING, METAL.
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  Manufacturer Information:
 | 49874 | 86184 | GRISWOLD INDUSTRIES |  | 49874B | 86184 | GRISWOLD INDUSTRIES |  | 49880 PIECE 6 | 86184 | GRISWOLD INDUSTRIES |   
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