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		                             National Stock Number: 2815-00-355-1657
  Federal Supply Class: 2815
  National Item Identification Number: 003551657
  Description: LOCK,VALVE SPRING RETAINER
  Detail: A metal item designed for the purpose of securing an engine or compressor valve and positioning the valve spring or valve spring retainer. Excludes cotter pins, straight pins, keys and washers. 
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  Manufacturer Information:
 | C0H27 | 53496 | SCHRAMM, INC. |  | R671 | 55380 | HATCH & KIRK, INC. |  | R671 | 82471 | LENARD PACKAGING CO INC THE |  | R671 | 98034 | BERRY-HILL CORP |   
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  Techincal Specification:
 | CASEHARDENING INDICATOR | NOT CASEHARDENED |  | DISTANCE FROM BOTTOM TO FIRST RIDGE CENTER | 0.1875 INCHES NOMINAL |  | FIRST RIDGE RADIUS | 0.013 INCHES NOMINAL |  | FIRST RIDGE WIDTH | 0.088 INCHES NOMINAL |  | FSC APPLICATION DATA | GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT |  | LARGEST INSIDE DIAMETER | 0.370 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |  | LARGEST OUTSIDE DIAMETER | 0.530 INCHES MINIMUM AND 0.534 INCHES MAXIMUM |  | MATERIAL | STEEL |  | MINIMUM INSIDE DIAMETER | 0.346 INCHES |  | OUTSIDE INCLUDED ANGLE IN DEG | 14.25 |  | OVERALL HEIGHT | 0.377 INCHES NOMINAL |  | STYLE DESIGNATOR | STRAIGHT BORE W/RIDGE AND TWO GROOVES-LOWER OUTSIDE RADIUS |  | THREAD PROVISION | UNTHREADED |   
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