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		                        | National Stock Number:
 4820-14-564-7756
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 145647756
 
 Description:
 VALVE,VENT-CHECK
 
 Detail:
 A DUAL PURPOSE MARINE VALVE USED PRIMARILY WITH SHIPBOARD CARGO TANKS AND BULKHEADS. IT ACTS BOTH AS A VENT VALVE, TO RELIEVE VACUUM AND PRESSURE, AND A CHECK VALVE, TO PREVENT CARGO CONTAMINATION. IT IS EQUIPPED WITH AN INTERNAL FLAME SCREEN AND/OR A PROTECTIVE MESH AND MAY INCLUDE A HINGED COVER.
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 Manufacturer Information:
 
 | 8952-012 | F1958 | LIEBHERR-AEROSPACE TOULOUSE SAS | 
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