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National Stock Number: 4520-21-867-1938
Federal Supply Class: 4520
National Item Identification Number: 218671938
Description: DAMPER,FLUE
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Manufacturer Information:
| 1004PRD | 36001 | DOUGLAS THERMAL PRODUCTS LTD | | 1004PRD-FK | 62537 | WADDELL ENGINEERING INC | | 1004WPD | 62537 | WADDELL ENGINEERING INC |
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