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National Stock Number:
4470-00-892-5874
Federal Supply Class:
4470
National Item Identification Number:
008925874
Description:
SEAL RING,NUCLEAR COOLANT SYSTEM
Detail:
AN ITEM DESIGNED TO BE SEAL WELDED TO SEGMENTS ON COMPONENTS OF A NUCLEAR POWER PLANT COOLANT SYSTEM, SUCH AS VALVES, DEMINERALIZERS, HEAT EXCHANGERS, PUMPS, AND THE LIKE, TO FORM AN EFFICIENT SEAL AGAINST THE LEAKAGE OF THE PRIMARY COOLANT TO THE AMBIENT. EXCLUDES SEAL RING, METAL.
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Manufacturer Information:
| 8915A52B3 | 16497 | DRESSER, INC. | | 8915A52B3 | 38056 | ASHCROFT INC |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | GENERAL | | INNER RADIUS | 0.281 INCHES NOMINAL | | OUTER RADIUS | 0.374 INCHES NOMINAL | | OUTSIDE DIAMETER SURFACE ANGLE IN DEG | 45.0 | | OVERALL HEIGHT | 0.343 INCHES NOMINAL | | LARGEST INSIDE DIAMETER | 4.314 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | NICKEL ALLOY 400 | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SELECTED AND TESTED FOR NUCLEAR SYSTEMS | | SMALL INSIDE DIAMETER | 3.750 INCHES NOMINAL | | UPPER INSIDE DIAMETER SURFACE ANGLE IN DEG | 45.0 | | WALL THICKNESS | 0.093 INCHES NOMINAL |
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