Product Details | SAFETY RELIEF VALVE

4820-01-501-6459 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: NMP1110, NMP-1110, NMP-1110 OPT L 18 TO 25 PSI, NMP1110OPTL18TO25PSI, DL0-40F/B2-18T25PSI, DL040FB218T25PSI, 4820-01-501-6459, 01-501-6459, 4820015016459, 015016459

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 OCT 2002 01-501-6459

Drawings & Photos | NSN 4820-01-501-6459


Demand History | NSN 4820-01-501-6459

Part Number Request Date QTY Origin
4820-01-501-6459 2016-05-139 4 DIBBS
4820-01-501-6459 2016-01-10 4 DIBBS
4820-01-501-6459 2015-06-155 2 DIBBS
4820-01-501-6459 2013-02-32 6 DIBBS
4820-01-501-6459 2012-11-325 5 DIBBS
4820-01-501-6459 2012-08-244 2 DIBBS
4820-01-501-6459 2012-06-181 2 DIBBS
4820-01-501-6459 2010-07-183 2 DIBBS
4820-01-501-6459 2009-01-26 2 DIBBS

Cross Reference | NSN 4820-01-501-6459

Part Number Cage Code Manufacturer
DL0-40F/B2-18T25PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
NMP-1110 75954 KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
NMP-1110 OPT L 18 TO 25 PSI 01343 ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4820-01-501-6459

Technical Data | NSN 4820-01-501-6459

Characteristic Specifications
MATERIAL COPPER ALLOY 922 BODY COPPER ALLOY 865 FLOW CONTROL DEVICE COPPER ALLOY 865 STEM
MATERIAL DOCUMENT AND CLASSIFICATION ASTM B-61 ASSN STD ALL MATERIAL RESPONSES BODY ASTM B-164 ASSN STD ALL MATERIAL RESPONSES FLOW CONTROL DEVICE ASTM B-164 ASSN STD ALL MATERIAL RESPONSES STEM
STYLE DESIGNATOR A7 ANGLE
MEDIA FOR WHICH DESIGNED WATER, SALT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 150.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD MANUAL OR AUTOMATIC
CONNECTION TYPE UNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE G41B INVERTED FLARE ALL ENDS
SEAT ANGLE 45.0 DEGREES ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 1.250 INCHES ALL ENDS
THREAD SERIES DESIGNATOR NPT ALL ENDS
NOMINAL THREAD SIZE 1.250 INCHES ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
ADJUSTABLE PRESSURE RANGE 18.0 TO 25.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS AND QUANTITY 1 LEVER
SPECIAL FEATURES "B2"IN P/N CALLS FOR MONEL STEM,DISC,SEMI-NOZZLE AND RETAINING PLATE.CONNECTIONS ARE MIL-F-1185,SPRING P/N:1244.

Restrictions/Controls & Freight Information | NSN 4820-01-501-6459

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 4820-01-501-6459

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