Product Details | SAFETY RELIEF VALVE

4820-01-061-0233 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: 20295, 20295PS41SS, 4820-01-061-0233, 01-061-0233, 4820010610233, 010610233

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 10 JUN 1978 01-061-0233

Drawings & Photos | NSN 4820-01-061-0233


Demand History | NSN 4820-01-061-0233

Part Number Request Date QTY Origin
4820-01-061-0233 2016-05-129 3 DIBBS

Cross Reference | NSN 4820-01-061-0233

Part Number Cage Code Manufacturer
20295 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20295 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM
20295PS41SS 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
20295PS41SS 15187 PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM

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Technical Data | NSN 4820-01-061-0233

Characteristic Specifications
MATERIAL STEEL BODY STEEL COMP 303 FLOW CONTROL DEVICE STEEL COMP 303 SEAT STEEL COMP 303 STEM
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A216,GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE BODY QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE SEAT QQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE STEM
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 3.400 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 3.587 INCHES
VALVE SIZE 1.000 INCHES
FLOW CONTROL DEVICE DISK
MAXIMUM OPERATING PRESSURE 135.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 4.892 INCHES 1ST END 4.243 INCHES 2ND END
NOMINAL THICKNESS 0.738 INCHES 1ST END 0.534 INCHES 2ND END
BOLT HOLE QUANTITY 4 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.737 INCHES 1ST END 0.626 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 3.635 INCHES 1ST END 3.180 INCHES 2ND END
FLANGE FACE DESIGN RAISED STRAIGHT ALL ENDS
RAISED FACE NOMINAL HEIGHT 0.264 INCHES 1ST END 0.100 INCHES 2ND END
RAISED FACE NOMINAL DIAMETER 2.015 INCHES 1ST END 2.015 INCHES 2ND END
BONNET TYPE INSIDE SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING 109.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 110.0 TO 160.0 POUNDS PER SQUARE INCH
III END ITEM IDENTIFICATION SHIP, OHIO CLASS SSN(TRIDENT)

Restrictions/Controls & Freight Information | NSN 4820-01-061-0233

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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 576 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 4820-01-061-0233

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 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