| National Stock Number:
 5330-99-682-6768
 
 Federal Supply Class:
 5330
 
 National Item Identification Number:
 996826768
 
 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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