Product Details | SAFETY RELIEF VALVE

4820-01-297-5050 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: RV627, RV62-7, 2903583, 29035831, 2903583-1, 4820-01-297-5050, 01-297-5050, 4820012975050, 012975050

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 04 APR 1989 01-297-5050

Drawings & Photos | NSN 4820-01-297-5050


Demand History | NSN 4820-01-297-5050

Part Number Request Date QTY Origin
2903583-1 2021-03-63 8 DIBBS
RV62-7 2021-03-63 8 DIBBS
2903583-1 2021-02-52 8 DIBBS
RV62-7 2021-02-52 8 DIBBS
2903583-1 2019-08-238 19 DIBBS
RV62-7 2019-08-238 19 DIBBS
2903583-1 2019-08-227 19 DIBBS
RV62-7 2019-08-227 19 DIBBS
4820-01-297-5050 2018-04-116 3 DIBBS
4820-01-297-5050 2018-04-105 4 DIBBS
4820-01-297-5050 2017-12-338 3 DIBBS
4820-01-297-5050 2016-12-362 4 DIBBS
4820-01-297-5050 2016-12-350 4 DIBBS
4820-01-297-5050 2015-03-61 20 DIBBS
4820-01-297-5050 2013-04-109 15 DIBBS
4820-01-297-5050 2012-07-195 5 DIBBS
4820-01-297-5050 2011-11-311 6 DIBBS
4820-01-297-5050 2011-03-74 2 DIBBS

Cross Reference | NSN 4820-01-297-5050

Part Number Cage Code Manufacturer
2903583 96214 RAYTHEON COMPANY DBA RAYTHEON
2903583-1 96214 RAYTHEON COMPANY DBA RAYTHEON
RV62-7 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS

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Technical Data | NSN 4820-01-297-5050

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY
STYLE DESIGNATOR C4 STRAIGHT THRU
FLOW CONTROL DEVICE DISK
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 15.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 165.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL BOSS ALL ENDS
CONNECTION STYLE G50 EXTERNAL SEAT FOR GASKET SEAL ALL ENDS
THREAD SERIES DESIGNATOR UNJ ALL ENDS
NOMINAL THREAD SIZE 0.562 INCHES ALL ENDS
THREAD QUANTITY PER INCH 18 ALL ENDS
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
BONNET TYPE INSIDE SCREW
BONNET ATTACHMENT METHOD THREADED
ADJUSTABLE PRESSURE RANGE 2.0 TO 3.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-297-5050

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.
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 AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4820-01-297-5050

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.
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.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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