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		                        | National Stock Number:
 1005-00-996-9588
 
 Federal Supply Class:
 1005
 
 National Item Identification Number:
 009969588
 
 Description:
 CYLINDER,GAS,GUN
 
 Detail:
 A CHAMBER, CIRCULAR IN CROSS SECTION, FIXED TO THE BARREL OF A GAS OPERATED AUTOMATIC OR SEMIAUTOMATIC WEAPON, SUCH AS A CARBINE, MACHINE GUN, RIFLE, AND THE LIKE. THE DEFLECTION OF A PART OF THE ESCAPING POWDER GASES PUTS IN MOTION AN INTEGRAL PISTON TO OPERATE THE EXTRACTING AND RELOADING MECHANISM(S).
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 Manufacturer Information:
 
 | 11010531 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE | 
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 Techincal Specification:
 
 | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL SPEC FED STD NO. 66 AISI OR SAE 4140; 18.396 IN. MIN 18.404 IN. MAX LG O/A; THD 0.67 IN.-28 SIZE DESIGNATION NS SER CLASS 2B THD OR CLASS 2 FIT 0.935 IN. LG; DESIGNED FOR SPECIFIC USE AUTOMATIC RIFLE CAL 0.30,MODEL M1918A2 | 
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