Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-00-191-9201 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.

Part Alternates: 11652631, 4820-00-191-9201, 00-191-9201, 4820001919201, 001919201

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 JAN 1969 00-191-9201

Drawings & Photos | NSN 4820-00-191-9201


Cross Reference | NSN 4820-00-191-9201

Part Number Cage Code Manufacturer
11652631 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 4820-00-191-9201

Characteristic Specifications
BODY STYLE A21 TEE ANGLE
CENTER TO CENTER DISTANCE 1.125 INCHES NOMINAL
BODY MATERIAL ALUMINUM ALLOY, QQ-A-367, COMP 6061, T6
OUTSIDE SURFACE TREATMENT ENAMEL
FLOW CONTROL DEVICE NEEDLE AND PISTON, FREE TYPE
END CONNECTION QUANTITY 3
FIRST END CONNECTION TYPE UNTHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR M1 PLAIN
FIRST END FLANGE SHAPE STYLE 4 RECTANGULAR
FIRST END BOLT HOLE QUANTITY 2
FIRST END FLANGE THICKNESS 0.880 INCHES NOMINAL
FIRST END FLANGE LENGTH 2.102 INCHES NOMINAL
FIRST END FLANGE WIDTH 1.880 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER 0.400 INCHES NOMINAL
FIRST END CENTER TO CENTER DISTANCE BETWEEN HOLES ALONG WIDTH 1.000 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE RAISED FACE FLANGE
SECOND END STYLE DESIGNATOR M5 RAISED
SECOND END RAISED FACE HEIGHT 0.060 INCHES NOMINAL
SECOND END RAISED FACE DIAMETER 0.600 INCHES NOMINAL
SECOND END FLANGE SHAPE STYLE 4A RECTANGULAR
SECOND END FLANGE THICKNESS 2.740 INCHES NOMINAL
SECOND END FLANGE LENGTH 2.102 INCHES NOMINAL
SECOND END FLANGE WIDTH 1.880 INCHES NOMINAL
THIRD END RELATIONSHIP WITH PRECEDING ENDS NOT IDENTICAL WITH FIRST OR SECOND END
THIRD END CONNECTION TYPE PLAIN FACE FLANGE
THIRD END STYLE DESIGNATOR M1 PLAIN
THIRD END FLANGE SHAPE STYLE 4A RECTANGULAR
THIRD END FLANGE THICKNESS 2.740 INCHES NOMINAL
THIRD END FLANGE LENGTH 2.102 INCHES NOMINAL
THIRD END FLANGE WIDTH 1.880 INCHES NOMINAL
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, PHOSPHATE-ESTER BASE
TEMP RATING NOT RATED
VALVE DISCHARGE FLOW RATE 0.4 GALLONS PER MINUTE
TEMP CONTROL DEVICE TYPE THERMOSTATIC
ADJUSTABLE PRESSURE RANGE 850.0 TO 1000.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS MANUAL OPERATING DEVICE
MANUFACTURERS CODE 19207
DESIGN CONTROL REFERENCE 11652631

Restrictions/Controls & Freight Information | NSN 4820-00-191-9201

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:NThe 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).
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating P 77.5
Less than truck load rating W Rating Variable
Water commodity Code 736 unknown
Originating Activity Code BF U.S. Army Armament and Chemical Acquisition and
Logistics Activity
Rock Island, IL 61299-6000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-00-191-9201

Category Code Description
Materiel Category and Inventory ManagerM Ammunition weapons, and tracked combat vehicles weapons, special weapons, chemical and fire control materiel
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment1 REPARABLE ITEMS (Exclusive of Insurance and Provisioning Items.) This code will be used to identify serviceable or unserviceable items of a durable nature which when unserviceable normally can be repaired economically by depots or lower echelons of maintenance.
Specific Group/Generic CodeJ Tanks
Weapons Systems/End Item or Homogeneous GroupJQArmored/Reconnaissance/Airborne Assault Vehicles, 152mm M551 with Trainer M40
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplyB14US Army Armament and Chemical Acquisition and Logistics
Activity
ATTN: AMSTA-AC
Rock Island, IL 61299-6000
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityFIf condemned or uneconomically repairable, then dispose at Direct Support (DS) level.
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each