Home / MS parts / Seals & Fittings / NSN 4820-01-194-3991
NSN 4820-01-194-3991  ·  NIIN 011943991  ·  FSC 4820
NO DASHES 4820011943991
In Stock

VALVE,SAFETY RELIEF

Valves, Nonpowered

Technical characteristics

18 rows

Straight from the federal item record. Entries the record leaves empty are shown empty — nothing is filled in on its behalf.

Technical characteristics from the federal item record
MRCRequirementValue
AAARNOMINAL PIPE SIZE ACCOMMODATEDALL ENDS INCHES 0.500
ADQUFLOW CONTROL DEVICEDISK
ADSRBONNET TYPEINSIDE SPRING
ADSTBONNET ATTACHMENT METHODUNION
ADSUDISK LOADING METHODSPRING
AEHZMAXIMUM OPERATING TEMPSINGLE RESPONSE FAHRENHEIT 150.0
AHNCCONNECTION STYLE
AQLRVALVE OPERATION METHODAUTOMATIC
AWLSCONNECTION TYPEALL ENDS UNTHREADED INTERNAL PIPE
CQCYADJUSTABLE PRESSURE RANGEPOUNDS PER SQUARE INCH 46.0 TO 64.0
CQQFOPERATING PRESSURESINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0
MATTMATERIALBODY COPPER ALLOY
MATTMATERIALSEAT NICKEL ALLOY
MATTMATERIALSTEM NICKEL ALLOY
MATTMATERIALFLOW CONTROL DEVICE NICKEL ALLOY
MEDAMEDIA FOR WHICH DESIGNEDSINGLE RESPONSE LIQUID
PRPYPROPRIETARY CHARACTERISTICSPACS
STYLSTYLE DESIGNATOR

Cross-references

11 manufacturer part numbers on file for this NSN — each shown against the CAGE code it belongs to.

Supersedes

This item replaces cancelled NIINs 011761043 · 012376173. An older drawing citing one of those numbers resolves here.