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		                        | National Stock Number:
 3040-01-505-6658
 
 Federal Supply Class:
 3040
 
 National Item Identification Number:
 015056658
 
 Description:
 HEAD,CYLINDER
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 Manufacturer Information:
 
 | 566-7067173-2 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 566-7067173-2L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | H625-0312-2L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | H625-0312-2 | 90699 | UNIMASCO INC | 
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 Techincal Specification:
 
 | CRITICALITY CODE JUSTIFICATION | ZZZY |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS | 
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