Explore Our Extensive NSN 4820-00-821-9001 Inventory

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Item Name Valve Safety Relief
Federal Supply Group (FSG) Valves
Federal Supply Class (FSC) 4820 Valves Nonpowered
National Item Identification Number (NIIN) 00-821-9001 (008219001)
NCB Code USA (00)
Manufacturer Ashcroft Inc
Part Number Manufacturer Item Name RFQ
1664 ashcroft inc valve safety relief RFQ

Technical Characteristics of NSN 4820008219001

MRCCriteriaCharacteristic
AAARNOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES 1ST END
AAJFTHREAD DIRECTIONRIGHT-HAND 1ST END
ADQUFLOW CONTROL DEVICEPOPPET
ADSYVALVE DISCHARGE FLOW RATE33.0 CUBIC FEET PER MINUTE
AEHZMAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT 1ST RESPONSE
AHNCCONNECTION STYLEPLAIN,OPTIONAL END(PIPE) 1ST END
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPETHREADED INTERNAL PIPE 1ST END
CBBLFEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
CMLPTHREAD QUANTITY PER INCH18 1ST END
CQJXNOMINAL THREAD SIZE0.250 INCHES 1ST END
CSDCOPENING PRESSURE SETTING30.0 POUNDS PER SQUARE INCH
MATTMATERIALCOPPER ALLOY SEAT
MATTMATERIALCOPPER ALLOY STEM
STYLSTYLE DESIGNATORSTRAIGHT THRU
THSDTHREAD SERIES DESIGNATORNPT 1ST END
ZZZYREFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY VALVE SIZE AND SET PRESSURE
ADSUDISK LOADING METHODSPRING
AEHZMAXIMUM OPERATING TEMP450.0 DEG FAHRENHEIT 2ND RESPONSE
CQGMMAXIMUM OPERATING PRESSURE275.0 POUNDS PER SQUARE INCH 1ST RESPONSE
CQGMMAXIMUM OPERATING PRESSURE275.0 POUNDS PER SQUARE INCH 2ND RESPONSE
MATTMATERIALCOPPER ALLOY BODY
MEDAMEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDAMEDIA FOR WHICH DESIGNEDGAS,INERT 2ND RESPONSE

Relevant Components for NSN - 4820-00-821-9001, 4820008219001
4820-00-163-5171 (4820001635171) 4820-01-514-0068 (4820015140068) 4820-01-398-0011 (4820013980011) 4820-01-266-4450 (4820012664450)
4810-00-795-5656 (4810007955656) 4820-01-332-9388 (4820013329388) 4820-01-439-7118 (4820014397118) 4810-01-387-7231 (4810013877231)
4810-00-868-3570 (4810008683570) 4820-01-423-6497 (4820014236497) 4820-01-313-2809 (4820013132809) 4820-00-732-4520 (4820007324520)

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