Product Details | SAFETY RELIEF VALVE

4820-00-227-8118 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: RD175153, RD17515-3, 369A991821, 369A9918-21 , 4820-00-227-8118, 00-227-8118, 4820002278118, 002278118

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 03 FEB 1969 00-227-8118

Drawings & Photos | NSN 4820-00-227-8118


Demand History | NSN 4820-00-227-8118

Part Number Request Date QTY Origin
RD17515-3 2019-12-335 8 DIBBS
RD17515-3 2019-11-308 7 DIBBS
RD17515-3 2019-06-153 3 DIBBS
4820-00-227-8118 2013-10-275 6 DIBBS
4820-00-227-8118 2013-06-164 9 DIBBS
4820-00-227-8118 2010-03-78 182 DIBBS
4820-00-227-8118 2010-02-36 14 DIBBS
4820-00-227-8118 2010-01-21 75 DIBBS
4820-00-227-8118 2010-01-20 83 DIBBS
4820-00-227-8118 2009-12-362 63 DIBBS
4820-00-227-8118 2009-12-350 48 DIBBS
4820-00-227-8118 2009-12-348 99 DIBBS
4820-00-227-8118 2009-05-146 16 DIBBS

Cross Reference | NSN 4820-00-227-8118

Part Number Cage Code Manufacturer
RD17515-3 51663 CRANE CO. DBA LEAR ROMEC

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Technical Data | NSN 4820-00-227-8118

Characteristic Specifications
STYLE DESIGNATOR C6 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
CONNECTION TYPE THREADED EXTERNAL BOSS 1ST END
CONNECTION STYLE G50 EXTERNAL SEAT FOR GASKET SEAL 1ST END
THREAD SERIES DESIGNATOR UNEF 1ST END
NOMINAL THREAD SIZE 0.688 INCHES 1ST END
THREAD QUANTITY PER INCH 20 1ST END
THREAD CLASS 2A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MANUFACTURERS CODE 51663
DESIGN CONTROL REFERENCE RD17515-3

Restrictions/Controls & Freight Information | NSN 4820-00-227-8118

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:UPrecious metal type is unknown
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 179580 STRAPS LEATHER IMITATION LEATHER
Less than car load rating
Less than truck load rating J 100.2
Water commodity Code 772 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity K Clothing, including clothing equipment (other than arms and chemical supplies) cordage, fabrics and leather, parachutes, etc.
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 4820-00-227-8118

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each