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National Stock Number:
4820-01-243-4204
Federal Supply Class:
4820
National Item Identification Number:
012434204
Description:
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
Detail:
An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes DIAPHRA GM, VALVE, FLAT and GASKET.
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Manufacturer Information:
| 291187EMK30-12 | 05073 | BABCOCK & WILCOX CO | | 291187EMK30-12 | 58529 | THE BABCOCK & WILCOX COMPANY DIV B&W SERVICE COMPANY DBA B & W SERVICE CO |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | MATERIAL THICKNESS | 0.167 INCHES MINIMUM AND 0.187 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING | | OUTSIDE DIAMETER | 7.979 INCHES MINIMUM AND 7.989 INCHES MAXIMUM | | OVERALL HEIGHT | 0.732 INCHES MINIMUM AND 0.768 INCHES MAXIMUM | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | STYLE DESIGNATOR | SPECIAL SHAPED |
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