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National Stock Number:
4820-01-197-4974
Federal Supply Class:
4820
National Item Identification Number:
011974974
Description:
VALVE,STOP AND STOP CHECK
Detail:
A COMBINATION OF TWO VALVES, ONE A STOP VALVE, THE OTHER A STOP CHECK VALVE, EITHER IN THE SAME BODY, OR IN SEPARATE BODIES BOLTED TOGETHER, USED TO CONTROL THE ADMISSION OF FEED WATER TO A BOILER, TO PREVENT THE RETURN OF WATER OR STEAM FROM THE BOILER, AND TO PROVIDE A MEANS OF SHUTTING OFF THE FEED LINE BETWEEN THE STOP CHECK VALVE AND THE STEAM DRUM OR ECONOMIZER.
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Manufacturer Information:
| 2620-922X1ASSYASC3.00IN | 96169 | ELECTRIC BOAT CORPORATION | | 2620-922X1ASSYASC3.00INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2621-922-01 ASSYIRCL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | 2621-922-01 ASSYIRCL1 | 63686 | THE WALWORTH COMPANY | | 2621-922-01 ASSYIRC | 63686 | THE WALWORTH COMPANY | | 2621-922-01 ASSYIRCL1 | 96169 | ELECTRIC BOAT CORPORATION | | A10-2085P-02TSL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | A841102L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | SS845-1889550ASSYASC3.00INL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | | A841102 | 06546 | BEE LINE COMPANY | | A841102 | 06547 | BEE LINE CO | | A10-2085P-02TS | 57574 | VELAN VALVE CORP. | | SS845-1889550ASSYASC3.00IN | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
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