Product Details | SAFETY RELIEF VALVE

4820-01-135-7562 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: C22510, C225-10, 559A6D7, 559A-6D-7, 4820-01-135-7562, 01-135-7562, 4820011357562, 011357562

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 JUL 1982 01-135-7562

Drawings & Photos | NSN 4820-01-135-7562


Demand History | NSN 4820-01-135-7562

Part Number Request Date QTY Origin
559A-6D-7 2022-08-234 26 DIBBS
C225-10 2022-08-234 26 DIBBS
559A-6D-7 2022-08-223 26 DIBBS
C225-10 2022-08-223 26 DIBBS
559A-6D-7 2021-10-304 15 DIBBS
C225-10 2021-10-304 15 DIBBS
559A-6D-7 2021-08-216 12 DIBBS
C225-10 2021-08-216 12 DIBBS
559A-6D-7 2021-04-98 9 DIBBS
C225-10 2021-04-98 9 DIBBS
559A-6D-7 2019-06-168 18 DIBBS
C225-10 2019-06-168 18 DIBBS
559A-6D-7 2019-06-155 18 DIBBS
C225-10 2019-06-155 18 DIBBS
4820-01-135-7562 2011-07-193 18 DIBBS
4820-01-135-7562 2011-05-123 4 DIBBS

Cross Reference | NSN 4820-01-135-7562

Part Number Cage Code Manufacturer
559A-6D-7 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
C225-10 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 4820-01-135-7562

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR C8 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE ACETYLENE 2ND RESPONSE AMMONIA, GASEOUS 3RD RESPONSE FUEL/OIL, HYDROCARBON 4TH RESPONSE HELIUM 5TH RESPONSE
MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 280.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END
CONNECTION STYLE G46A PLAIN ALL ENDS
THREAD SERIES DESIGNATOR UNJF ALL ENDS
NOMINAL THREAD SIZE 0.562 INCHES 1ST END
THREAD CLASS 3A ALL ENDS
THREAD DIRECTION RIGHT-HAND 1ST END
OPENING PRESSURE SETTING 7.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-135-7562

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 671 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 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 4820-01-135-7562

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