Product Details | SAFETY RELIEF VALVE

4820-01-206-3521 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Part Alternates: 1440310, 5381040100, 538-1040-10-0 , 538-1041-05, 4820-01-206-3521, 01-206-3521, 4820012063521, 012063521, 538104105

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 APR 1985 01-206-3521

Drawings & Photos | NSN 4820-01-206-3521


Demand History | NSN 4820-01-206-3521

Part Number Request Date QTY Origin
1440310 2022-12-363 10 DIBBS
538-1040-10-0 2022-12-363 10 DIBBS
1440310 2022-08-216 8 DIBBS
538-1040-10-0 2022-08-216 8 DIBBS
4820-01-206-3521 2020-12-345 1 US
4820-01-206-3521 2018-08-214 9 DIBBS
4820-01-206-3521 2018-02-36 9 DIBBS
4820-01-206-3521 2017-07-206 7 DIBBS
4820-01-206-3521 2017-03-65 9 DIBBS
4820-01-206-3521 2017-02-53 1 United States
4820-01-206-3521 2016-01-18 11 DIBBS
4820-01-206-3521 2015-06-176 8 DIBBS
4820-01-206-3521 2014-12-337 6 DIBBS
4820-01-206-3521 2013-02-58 7 DIBBS
4820-01-206-3521 2011-04-91 8 DIBBS
4820-01-206-3521 2011-02-55 6 DIBBS
4820-01-206-3521 2011-01-06 7 DIBBS
4820-01-206-3521 2010-08-231 20 DIBBS
4820-01-206-3521 2010-08-229 3 DIBBS

Cross Reference | NSN 4820-01-206-3521

Part Number Cage Code Manufacturer
1440310 45152 OSHKOSH CORPORATION
1440310 75Q65 OSHKOSH DEFENSE, LLC
538-1040-10-0 26840 HALE PRODUCTS INC.
538-1041-05 26840 HALE PRODUCTS INC.

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Technical Data | NSN 4820-01-206-3521

Characteristic Specifications
MATERIAL COPPER ALLOY OR IRON CAST BODY
STYLE DESIGNATOR A7 ANGLE
FLOW CONTROL DEVICE POPPET
VALVE DISCHARGE FLOW RATE 845.0 GALLONS PER MINUTE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE UNTHREADED EXTERNAL PIPE 1ST END
CONNECTION STYLE G61B GROOVED 1ST END
NOMINAL PIPE SIZE ACCOMMODATED 3.000 INCHES 1ST END
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 250.0 POUNDS PER SQUARE INCH
SPECIAL FEATURES DESIGNED TO FUNCTION WITH PILOT VALVE 4820011611323

Restrictions/Controls & Freight Information | NSN 4820-01-206-3521

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 736 unknown
Originating Activity Code TG Warner-Robins Air Logistics Center
Robins AFB, GA 31098-5609
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 4820-01-206-3521

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation CodeBTTG:FIRE FIGHTING EQUIPMENT
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityPStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Echelon Identification CodeBConsumable Repair Parts
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityHReparable item. When uneconomically reparable, condemn and dispose at fourth echelon level.
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each