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National Stock Number:
1030-00-616-3456
Federal Supply Class:
1030
National Item Identification Number:
006163456
Description:
RING,OBTURATOR
Detail:
A METALLIC OR NONMETALLIC CIRCULAR ITEM SPECIFICALLY DESIGNED TO BE PLACED AT THE BREECH-BLOCK END OF A GUN BARREL CHAMBER FOR SEALING AGAINST POWDER GASES. IT IS ALSO USED TO SEAL AGAINST POWDER GASES BETWEEN A PROJECTILE AND THE GUN BARREL.
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Manufacturer Information:
| 6163456 | 19206 | ARMY, UNITED STATES DEPARTMENT OF THE BUSINESS DEVELOPMENT DBA WATERVLIET ARSENAL |
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Techincal Specification:
| GENERAL CHARACTERISTICS ITEM DESCRIPTION | CHROMIUM PLATE,SPEC QQ-C-320,CLASS 2A,0.0002 TO 0.0008 THICK; 8.795 MAX DIA. PERMITTED WHEN RING IS FREE; SPLIT MOST BE CLOSED,8.760 O/LG.; 0.415 O/W. |
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