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		                        | National Stock Number:
 4820-01-247-9969
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012479969
 
 Description:
 VALVE,VENT
 
 Detail:
 A VALVE DESIGNED TO RELIEVE INTERNAL PRESSURE FROM GEAR HOUSINGS, AUTOMOTIVE AXLES, DIFFERENTIALS, TRANSMISSIONS AND THE LIKE. MAY OR MAY NOT BE THREADED ON ONE END. FOR ITEMS WITH RELIEF PRESSURE RATINGS SEE VALVE (1), SAFETY RELIEF.
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 Manufacturer Information:
 
 | 2640-633X2 PIECE 33 TO 37 | 96169 | ELECTRIC BOAT CORPORATION |  | 2640-633X2 PIECE 33 TO 37L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | 845-2050972PC33TO37L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | SS845-2050972 PIECE 33 TO 37L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | SS845-2050972 PIECE 33 TO 37 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 
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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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