Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-226-8425 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: A02HS1326, A02HS132-6, 3A0126, 3A012-6, 4820-01-226-8425, 01-226-8425, 4820012268425, 012268425

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 24 FEB 1986 01-226-8425

Demand History | NSN 4820-01-226-8425

Part Number Request Date QTY Origin
4820-01-226-8425 2010-07-183 6 DIBBS

Cross Reference | NSN 4820-01-226-8425

Part Number Cage Code Manufacturer
3A012-6 98391 ARKWIN INDUSTRIES, INC.
A02HS132-6 77272 THE BOEING COMPANY DBA BOEING

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4820-01-226-8425

Technical Data | NSN 4820-01-226-8425

Characteristic Specifications
BODY STYLE TEE GIVE "ADQM" "ADQN" AND "ADQP" ONLY IF FLANGED ALL ENDS
CENTER TO CENTER DISTANCE 0.900 INCHES NOMINAL
BODY MATERIAL ALUMINUM ALLOY
OUTSIDE SURFACE TREATMENT ANODIZED, MIL-A-8625
SEAT MATERIAL STEEL, FED STD 66, AISI 416/SAE 51416
FLOW CONTROL DEVICE BALL
FLOW CONTROL DEVICE MATERIAL STEEL, AISI 440C
END CONNECTION QUANTITY 3
FIRST END CONNECTION TYPE THREADED INTERNAL TUBE
FIRST END STYLE DESIGNATOR GASKET SEAL
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES NOMINAL
FIRST END THREAD CLASS 3B
FIRST END THREAD DIRECTION RIGHT-HAND
FIRST END SEAT ANGLE IN DEG 45.0
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
THIRD END RELATIONSHIP WITH PRECEDING ENDS IDENTICAL WITH FIRST END
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, PHOSPHATE-ESTER BASE
VALVE DISCHARGE FLOW RATE 1.2 GALLONS PER MINUTE
TEMP CONTROL DEVICE TYPE FUSIBLE

Restrictions/Controls & Freight Information | NSN 4820-01-226-8425

Category Code Description
Shelf-Life Code:0Nondeteriorative
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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 594 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4820-01-226-8425

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDWKH46 Safety, Reliability and Maintainability (SR&M) Program
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each