Product Details | SAFETY RELIEF VALVE

4820-01-578-9686 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: 12412351, 4820-01-578-9686, 01-578-9686, 4820015789686, 015789686

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 27 OCT 2009 01-578-9686

Demand History | NSN 4820-01-578-9686

Part Number Request Date QTY Origin
4820-01-578-9686 2023-06-173 10 DIBBS
4820-01-578-9686 2023-04-101 32 DIBBS
4820-01-578-9686 2022-09-255 4 DIBBS
4820-01-578-9686 2022-08-242 4 DIBBS
4820-01-578-9686 2022-07-206 2 DIBBS
4820-01-578-9686 2013-03-81 67 DIBBS
4820-01-578-9686 2012-03-89 10 DIBBS
4820-01-578-9686 2012-03-61 10 DIBBS
4820-01-578-9686 2012-01-12 14 DIBBS
4820-01-578-9686 2011-12-339 5 DIBBS
4820-01-578-9686 2011-11-311 1 DIBBS
4820-01-578-9686 2011-10-296 1 DIBBS
4820-01-578-9686 2011-09-267 3 DIBBS
4820-01-578-9686 2010-07-203 1 DIBBS
4820-01-578-9686 2010-04-106 1 DIBBS

Cross Reference | NSN 4820-01-578-9686

Part Number Cage Code Manufacturer
12412351 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 4820-01-578-9686

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND ALL ENDS
END ITEM IDENTIFICATION 2320-01-552-7762
PART NAME ASSIGNED BY CONTROLLING AGENCY VALVE ASSY,RELIEF
THREAD SERIES DESIGNATOR NPTF ALL ENDS
CONNECTION TYPE THREADED EXTERNAL PIPE ALL ENDS

Restrictions/Controls & Freight Information | NSN 4820-01-578-9686

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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 AZ U.S. Army Tank-Automotive and Armaments
Command
Warren, MI 48397-5000
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 4820-01-578-9686

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
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 SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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