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		                        | National Stock Number:
 4820-01-497-8070
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 014978070
 
 Description:
 CAP,VALVE
 
 Detail:
 A cap designed to mate with a fluid valve body. It may have an orifice through which a rod, shaft, stem, or an adjusting screw passes. For ported items, see HEAD, VALVE. Excludes CAP, PNEUMATIC VALVE.
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 Manufacturer Information:
 
 | 99-D-144 | 71905 | DERBYSHIRE MACHINE & TOOL CO |  | 99-D-144-20 | 71905 | DERBYSHIRE MACHINE & TOOL CO | 
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 Techincal Specification:
 
 | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE |  | MATERIAL | COPPER ALLOY |  | PROPRIETARY CHARACTERISTICS | PACS |  | SPECIAL FEATURES | NHA: 20 INCH, 50 LB. TILTING DISC CHECK VALVE |  | VALVE SIZE FOR WHICH DESIGNED | 20.000 INCHES |  | VALVE TYPE FOR WHICH DESIGNED | CHECK | 
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