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		                        | National Stock Number:
 4820-00-127-7554
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 001277554
 
 Description:
 VALVE,COMPRESSION RELEASE
 
 Detail:
 A MANUALLY OPERATED VALVE DESIGNED TO RELEASE COMBUSTION CHAMBER PRESSURE IN RECIPROCATING INTERNAL COMBUSTION ENGINES TO EASE STARTING EFFORT. MAY BE DESIGNED TO CLOSE AUTOMATICALLY AFTER ENGINE STARTS.
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 Manufacturer Information:
 
 | 514667 | 82722 | WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP | 
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 Techincal Specification:
 
 | MATERIAL | COPPER ALLOY BODY |  | SPECIAL FEATURES | 1.590 IN. OD OF HEAD; 1.375 IN. OD OF BODY; SPLIT RING FURNISHED FOR GROOVE AROUND OUTSIDE PERIPHERY OF BODY | 
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