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		                             National Stock Number: 5310-01-490-2543
  Federal Supply Class: 5310
  National Item Identification Number: 014902543
  Description: WASHER,LOCK
  Detail: A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces 
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  Manufacturer Information:
 | 211028399 | 96169 | ELECTRIC BOAT CORPORATION |  | 566-6985431-8 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 566-6985432-8 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 6985432 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | H623-0503-8 | 96169 | ELECTRIC BOAT CORPORATION |  | H623-0505-8 | 96169 | ELECTRIC BOAT CORPORATION |   
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  Techincal Specification:
 | SURFACE FINISH | 250.0 MICROINCHES ALL SURFACES |  | MATERIAL | NICKEL ALLOY 400 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | STYLE DESIGNATOR | FLAT EXTERNAL TEETH |  | HOLE DIAMETER | 3.410 INCHES NOMINAL |  | OUTSIDE DIAMETER | 8.250 INCHES NOMINAL |  | MATERIAL THICKNESS | 0.125 INCHES NOMINAL |   
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