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4820-00-855-6818
Safety Relief Valve
4820008556818 008556818 527 TQW12366-001 527E-450 527-450
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. View more Safety Relief Valve
November 2023
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Related Documents 4820-00-855-6818 2+ Documents (More...)
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Restrictions 4820-00-855-6818
4820-00-855-6818 is a Safety Relief Valve that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Demilitarization of this item has been confirmed and is not currently subject to changes. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item is not suspected to be hazardous. The precious metals content of this item is unknown.
Import and Export 4820-00-855-6818
- Schedule B
- Subscribe to View Schedule B
- HTS Code
- Subscribe to View HTS Code
End Users 4820-00-855-6818
- US Army (A920)
- Effective Date:
- 1 Jan 2005
- Former MOE Rule:
- A181
- US Air Force (FXGC)
- Effective Date:
- 1 Jan 2005
- Former MOE Rule:
- FXAX
- US Navy (N9BC)
- Effective Date:
- 1 Jan 2005
- Former MOE Rule:
- N9CD
- Supplementary Collaborators:
- GTKEHD
- Spain (YB01)
- Effective Date:
- 1 Apr 1991
- Israel (YD01)
- Effective Date:
- 1 Aug 2016
- Singapore (YJ01)
- Effective Date:
- 1 Apr 1991
- Malaysia (YW01)
- Effective Date:
- 1 Sep 2008
- Republic of Korea (ZH01)
- Effective Date:
- 1 Aug 1995
- United Kingdom (ZK01)
- Effective Date:
- 1 Apr 1991
- Norway (ZT01)
- Effective Date:
- 1 Apr 1991
- Greece (ZU01)
- Effective Date:
- 1 Jun 2005
Approved Sources 4820-00-855-6818
- Part Number
- Manufacturer
- Status
- 527E-450
- Manufacturer
- 28193 - Henry Technologies, Inc. (Obsolete)
- Original Design
- Original Design
- 527
- U0095 - Parts Center (Active)
- Incomplete Secondary Reference
- Incomplete Secondary Reference
- 527
- K3070 - Henry Technologies Limited (Active)
- Secondary Buy
- Secondary Buy
- TQW12366-001
- U1F15 - Maritime Corporate Ltd T/A Three (Active)
- Secondary Buy
- Secondary Buy
- 527-450
- 28193 - Henry Technologies, Inc. (Obsolete)
- Canceled/Obsolete
- Canceled/Obsolete
- 527
- 28193 - Henry Technologies, Inc. (Obsolete)
- Advisory Reference
- Advisory Reference
Datasheet 4820-00-855-6818
- Characteristic
- Specifications
- FIIG
- Specifications
- A046B0
- Bonnet Type [ADSR]
- Inside Spring
- Bonnet Attachment Method [ADST]
- Integral
- Connection Style [AHNC]
- Flared (Tube) 1St End
- Connection Style [AHNC]
- Plain (Pipe) 2Nd End
- Connection Type [AWLS]
- Threaded External Pipe 2Nd End
- Connection Type [AWLS]
- Threaded External Tube 1St End
- Disk Loading Method [ADSU]
- Spring
- Features Provided [CBBL]
- Valve Stem Lock Shield And Pressure Tight Outlet Side
- Flow Control Device [ADQU]
- Poppet
- Material [MATT]
- Copper Alloy Overall
- Maximum Operating Pressure [CQGM]
- 450.0 Pounds Per Square Inch Single Response
- Maximum Operating Temp [AEHZ]
- 200.0 Deg Fahrenheit Single Response
- Nominal Outside Diameter Tube Accommodated [CWFD]
- 0.625 Inches 1St End
- Nominal Pipe Size Accommodated [AAAR]
- 0.500 Inches 2Nd End
- Nominal Thread Size [CQJX]
- 0.875 Inches 1St End
- Nominal Thread Size [CQJX]
- 0.500 Inches 2Nd End
- Opening Pressure Setting [CSDC]
- 300.0 Pounds Per Square Inch
- Seat Angle [CQRB]
- 37.0 Degrees 1St End
- Valve Discharge Flow Rate [ADSY]
- 24.6 Pounds Per Hour
- Valve Operation Method [AQLR]
- Automatic
- Style Designator [STYL]
- Angle
- Thread Class [AAJD]
- 3A 1St End
- Thread Direction [AAJF]
- Right-Hand All Ends
- Thread Series Designator [THSD]
- Npt 2Nd End
- Thread Series Designator [THSD]
- Unf 1St End
Weapon Systems (WSDC) 4820-00-855-6818
DLA Procurement Analysis 4820-00-855-6818
- Last Stock Position:
- 4 In Stock
- DLA Administrative Lead Time:
- Subscribe
- DLA Production Lead Time:
- Subscribe
Management Data 4820-00-855-6818
- Effective Date
- Organization
- Unit of Issue
- Unit Price
- Qty Unit Pack
- Unit of Issue
- Oct 2022
- Department of the Navy (DN)
- EA
- Subscribe
- 1
- EA
- Oct 2021
- Department of the Navy (DN)
- EA
- Subscribe
- 1
- EA
- Oct 2020
- Department of the Air Force (DF)
- EA
- Subscribe
- 1
- EA
- Feb 2020
- Department of the Army (DA)
- EA
- Subscribe
- 1
- EA
- Oct 2019
- Department of the Air Force (DF)
- EA
- Subscribe
- 1
- EA
Army
- Materiel Category and Inventory Manager:
- J
- Ground Forces Support Materiel (DLA/GSA Items)
- Appropriation and Budget Activity:
- 2
- Stock Fund Secondary Items
- Management Inventory Segment:
- 2
- Non-Repairable Items(Exclusive of Insurance and Provisioning Items)
This code will be used to identify items, which are not reparable.
- Weapons System / End Item / Homogeneous Group:
- 00
- DLA/GSA Material
DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
- Accounting Requirements:
- X
- 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.
Air Force
- Fund:
- SF
- Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point
- Budget:
- 9
- 57X4921.070 - General Support DIV - Air Force decentralized managed expense items (ERRC XB3, XF3) 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
- Aggregation Code:
- SX
- SICA RESIDUAL MMAC-OC-ALC
- Price Validation Code:
- N
- 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”, then it must be evaluated locally where purchased or fabricated.
- Expendability
Recoverability
Repairability: - N
- Expendable. Condemn at User. Stock Fund (except Munitions).
Navy
- Cognizance:
- 9B
- Navy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
NATO Stock Numbers Related to 4820-00-855-6818
Freight Information 4820-00-855-6818
4820-00-855-6818 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 127220. A Sub NMFC of X. It has a NMFC Description of PRESSURE REG/RED/RELIEF VALVES NOI. 4820-00-855-6818 is rated as class 77.5 when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 64490 which rates the freight between FCL and LCL. 4820-00-855-6818 has a variance between NMFC and UFC when transported by rail and the description should be consulted. It has a Water Commodity Code (WCC) of 576 for ocean manifesting and military sealift. 4820-00-855-6818 is not classified as a special type of cargo when transported by water. 4820-00-855-6818 is not a consolidation and does not exceed 84" in any dimension. It should be compatible with a standard 72" Aircraft Cargo Door when transported by air.
Packaging Data 4820-00-855-6818
- Responsible Activity
- Packaging Data Source
- Primary Inventory Control Activity (PICA)
- --
Item Pack Level (Unpackaged)
- Item Size
- Item Weight
- Characteristics
- Weight/Dimensions Category
- Fragility
- Item Preservation
- Item Weight
- --
- --
- Bare Metal Item
- Over 10lb
- Less than 85G
- No Requirement
- --
Unit Pack Level (Packaged)
- Quantity per Pack
- Unit Size
- Unit Weight
- Unit Cube
- Preservation Method
- Cleaning/Drying
- Unit Size
- 1
- --
- --
- --
- --
- Any Suitable Process
- --
- Preservation Material
- Wrapping Material
- Cushioning/Dunnage
- Cushioning Thickness
- Container
- Special Marking
- Wrapping Material
- No Requirement
- --
- --
- --
- PPP-B-566, PPP-B-676, or ASTM-D5118, Folding, Setup or Fiberboard Box
- No special marking
- --
Intermediate Pack Level
- Quantity of Unit Packs
- Container
- 48
- ASTM - D5118, Fiberboard Box
Contracting Technical Data File (CTDF) 4820-00-855-6818 October 2021
Criticality and Quality
- Critical Item Code:
- Flight Safety:
- Life Support:
- Certified Samples:
- Serialization:
- First Article Test (FAT):
- Certificate of Quality Compliance:
- Production Lot Testing:
- Special Testing:
- Qualified Products List (QPL):
Commercial Properties
- Government Furnished Material:
- Government Furnished Tooling:
- Government Furnished Property:
- Price Evaluation Code:
- Diminshing Manufacturing Sources:
- Warranty:
- Commerical Off The Shelf (COTS):
- End Item Application:
- Auctioning Candidate:
- Source of Procurement:
- Contract Option:
Restrictions
- Boeing Rights Guard:
- Export Controlled:
- Controlled Technical Data Package (TDP):
- Restricted Technical Data Package (TDP):
- Contains Classified Material
- Weapons System Indicator Code (WSIC):
- F
Packaging Requirements
- Packaging Determination Table:
- Packaging Review Code:
- Special Packaging Instruction Number (SPIN):
- Special Packaging Instruction Number Revision:
- Special Packaging Instruction Number Date:
- Pallet Reference Number Required: