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NSN 4820-00-191-9201, 4820001919201
VALVE,RELIEF,PRESSURE AND TEMPERATURE

Federal Supply Classification
FSC 4820 - Valves, Nonpowered
National Item Identification Number
NIIN 001919201
Codification Country
United States
Item Name Code
INC 16996
Criticality
(N) This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 4820-00-191-9201

National Stock Number (NSN) 4820-00-191-9201, or NIIN 001919201, (valve,relief,pressure and temperature) was assigned January 22, 1969 in the Federal Logistics Information System (FLIS). NIIN 001919201 was cancelled on December 15, 2017, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 16996. [A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820001919201 does not contain precious metals.

This information was last updated on .

Technical Characteristics

FIRST END FLANGE SHAPE STYLE
(ACKT) RECTANGULAR (INCLUDES SQUARE)
SECOND END FLANGE SHAPE STYLE
(ACLY) RECTANGULAR W/O BOLT HOLES (INCLUDES SQUARE)
SECOND END FLANGE LENGTH
(ACMA) 2.102 INCHES NOMINAL
FIRST END FLANGE THICKNESS
(ACKU) 0.880 INCHES NOMINAL
FIRST END BOLT HOLE QUANTITY
(ACKZ) 2
SECOND END STYLE DESIGNATOR
(ACLT) RAISED
BODY MATERIAL
(AAFZ) ALUMINUM ALLOY, QQ-A-367, COMP 6061, T6
FIRST END FLANGE LENGTH
(ACKV) 2.102 INCHES NOMINAL
ERR DEFAULT
(ACNF) ERR DEFAULT
MEDIA FOR WHICH DESIGNED
(ACKL) HYDRAULIC FLUID, PHOSPHATE-ESTER BASE
SECOND END RELATIONSHIP WITH FIRST END
(ACLR) NOT IDENTICAL
THIRD END RELATIONSHIP WITH PRECEDING ENDS
(ACMX) NOT IDENTICAL WITH FIRST OR SECOND END
THIRD END FLANGE WIDTH
(ACNK) 1.880 INCHES NOMINAL
VALVE DISCHARGE FLOW RATE
(ADSY) 0.4 GALLONS PER MINUTE
TEMP ADJUSTABILITY
(AEVX) NOT ADJUSTABLE
FIRST END BOLT HOLE DIAMETER
(ACLA) 0.400 INCHES NOMINAL
SECOND END FLANGE SHAPE STYLE
(ACLY) RECTANGULAR
THIRD END CONNECTION TYPE
(ACMY) PLAIN FACE FLANGE
END CONNECTION QUANTITY
(ADQZ) 3
BODY STYLE
(AAQL) TEE ANGLE GIVE "ADQL" "ADQM" ONLY IF FLANGED ALL ENDS
ERR DEFAULT
(ACMA) ERR DEFAULT
FURNISHED ITEMS
(ABFF) MANUAL OPERATING DEVICE
SECOND END RAISED FACE DIAMETER
(ACLV) 0.600 INCHES NOMINAL
SECOND END FLANGE THICKNESS
(ACLZ) 2.740 INCHES NOMINAL
SECOND END FLANGE WIDTH
(ACMB) 1.880 INCHES NOMINAL
FLOW CONTROL DEVICE
(ADQU) NEEDLE AND PISTON, FREE TYPE
OUTSIDE SURFACE TREATMENT
(AAJP) ENAMEL
BODY STYLE
(AAQL) A21 TEE ANGLE
FIRST END FLANGE WIDTH
(ACKW) 1.880 INCHES NOMINAL
THIRD END FLANGE THICKNESS
(ACNH) 2.740 INCHES NOMINAL
THIRD END FLANGE SHAPE STYLE
(ACNF) RECTANGULAR W/O BOLT HOLES (INCLUDES SQUARE)
ERR DEFAULT
(ACNH) ERR DEFAULT
ERR DEFAULT
(ACNJ) ERR DEFAULT
FIRST END CONNECTION TYPE
(ACKM) UNTHREADED INTERNAL PIPE
SECOND END RAISED FACE HEIGHT
(ACLU) 0.060 INCHES NOMINAL
ADJUSTABLE PRESSURE RANGE
(ADSW) +850.0/+1000.0 POUNDS PER SQUARE INCH
FIRST END CENTER TO CENTER DISTANCE BETWEEN HOLES ALONG WIDTH
(AFLS) 1.000 INCHES NOMINAL
FIRST END STYLE DESIGNATOR
(ACKN) PLAIN
FIRST END FLANGE SHAPE STYLE
(ACKT) RECTANGULAR W/ BOLT HOLES (INCLUDES SQUARE)
SECOND END CONNECTION TYPE
(ACLS) RAISED FACE FLANGE
ERR DEFAULT
(ACLV) ERR DEFAULT
ERR DEFAULT
(ACMB) ERR DEFAULT
THIRD END STYLE DESIGNATOR
(ACMZ) PLAIN
CENTER TO CENTER DISTANCE
(ADQR) 1.125 INCHES NOMINAL
TEMP CONTROL DEVICE TYPE
(AFKX) THERMOSTATIC
OUTSIDE SURFACE TREATMENT
(AAJP) EN
ERR DEFAULT
(ACLU) ERR DEFAULT
THIRD END FLANGE LENGTH
(ACNJ) 2.102 INCHES NOMINAL
ERR DEFAULT
(ACNK) ERR DEFAULT

Manufacturer Part Numbers

11652631

RNCC
3
RNVC
2
4820001919201

001919201

001919201


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