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		                        | National Stock Number:
 1025-00-722-5013
 
 Federal Supply Class:
 1025
 
 National Item Identification Number:
 007225013
 
 Description:
 BREECHBLOCK
 
 Detail:
 A MOVABLE STEEL BLOCK IN THE MECHANISM OF A BREECHLOADING GUN THAT SEALS THE BREECH OPENING OF THE BARREL DURING FIRING. EXCLUDES BOLT, AUTOMATIC WEAPON.
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 Manufacturer Information:
 
 | 7225013 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL | 
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 Techincal Specification:
 
 | BREECHBLOCK TYPE | INTERRUPTED SCREW |  | MODEL NUMBER | M2 OR M2A1 |  | OPERATIONAL DIRECTION | ROTATING |  | SIZE DESIGNATION | 155 MILLIMETER | 
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