Product Details | SAFETY RELIEF VALVE

4820-01-232-8027 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: 655A 132-001, 655A132, 655A132 PIECE 1, 655A132001, 655A132-001 , 655A132PIECE1, 4820-01-232-8027, 01-232-8027, 4820012328027, 012328027

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 21 MAY 1986 01-232-8027

Demand History | NSN 4820-01-232-8027

Part Number Request Date QTY Origin
4820-01-232-8027 2012-10-302 1 DIBBS
4820-01-232-8027 2012-02-49 1 DIBBS
4820-01-232-8027 2011-08-239 2 DIBBS
4820-01-232-8027 2010-02-38 1 DIBBS

Cross Reference | NSN 4820-01-232-8027

Part Number Cage Code Manufacturer
655A 132-001 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
655A 132-001 03502 GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT
655A132 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
655A132 PIECE 1 01289 GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
655A132-001 0BR59 DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV

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Technical Data | NSN 4820-01-232-8027

Characteristic Specifications
BOLT CIRCLE NOMINAL DIAMETER 2.375 INCHES ALL ENDS
NOMINAL THICKNESS 0.438 INCHES ALL ENDS
BONNET ATTACHMENT METHOD BOLTED
BOLT HOLE NOMINAL DIAMETER 0.625 INCHES ALL ENDS
MATERIAL STEEL BODY
BOLT HOLE QUANTITY 4 ALL ENDS
MAXIMUM OPERATING TEMP 650.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE SIZE 0.500 INCHES
OPENING PRESSURE SETTING 64.0 POUNDS PER SQUARE INCH
CONNECTION TYPE FLANGE ALL ENDS
BONNET TYPE EXPOSED SPRING
VALVE OPERATION METHOD AUTOMATIC
NOMINAL OUTSIDE DIAMETER 3.500 INCHES ALL ENDS

Restrictions/Controls & Freight Information | NSN 4820-01-232-8027

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 4820-01-232-8027

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each