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National Stock Number:
4820-00-891-3349
Federal Supply Class:
4820
National Item Identification Number:
008913349
Description:
HEAD,SAFETY,PRESSURE RELIEF
Detail:
AN ITEM OF VARYING SHAPE AND SIZE CONSISTING OF A METALLIC BODY WHICH INCLOSES A NONREUSABLE METALLIC OR NONMETALLIC DISK(S), WHICH IS DESIGNED AND CALIBRATED TO BURST AT A GIVEN PRESSURE. IT MAY BE USED INDEPENDENTLY, OR IN CONJUNCTION WITH RELIEF VALVES TO RELIEVE OVERPRESSURE, AND TO PROTECT RELIEF VALVE(S) FROM CORROSIVE CONDITIONS. EXCLUDES VALVE, SAFETY RELIEF AND PLUG, FUSIBLE. FOR ITEMS FURNISHED WITH A DISK, SEE HEAD AND DISK, SAFETY, PRESSURE RELIER.
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Manufacturer Information:
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Techincal Specification:
| BURST PRESSURE | 4200.0 PRESSURE POUNDS PER SQUARE INCH GAGE AND 4500.0 PRESSURE POUNDS PER SQUARE INCH GAGE | | BURST TEMPERATURE | 275.0 FAHRENHEIT | | END CONNECTION TYPE | THREADED | | HEAD MATERIAL | COPPER ALLOY |
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