Product Details | SAFETY RELIEF VALVE

4820-01-262-0942 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: D49918 PART R10AL2L205, D49918PARTR10AL2L205, R10AL2L205 AND, R10AL2L205AND, R10AL2L205-BM1 AND DWG. D5012, R10AL2L205BM1ANDDWGD5012, 4820-01-262-0942, 01-262-0942, 4820012620942, 012620942

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 22 AUG 1987 01-262-0942

Drawings & Photos | NSN 4820-01-262-0942


Demand History | NSN 4820-01-262-0942

Part Number Request Date QTY Origin
R10AL2L205-BM1 AND DWG. D5012 2024-08-228 1 DIBBS
R10AL2L205-BM1 AND DWG. D5012 2024-01-29 1 DIBBS
R10AL2L205-BM1 AND DWG. D5012 2020-10-280 1 DIBBS
R10AL2L205-BM1 AND DWG. D5012 2019-07-189 1 DIBBS
4820-01-262-0942 2016-08-242 1 DIBBS
4820-01-262-0942 2016-08-220 1 DIBBS

Cross Reference | NSN 4820-01-262-0942

Part Number Cage Code Manufacturer
D49918 PART R10AL2L205 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS
R10AL2L205 AND 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS
R10AL2L205-BM1 AND DWG. D5012 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS

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Technical Data | NSN 4820-01-262-0942

Characteristic Specifications
MATERIAL COPPER ALLOY 922 BODY NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT
STYLE DESIGNATOR C1A ANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE 5.750 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE 5.750 INCHES
VALVE SIZE 3.000 INCHES
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC OR MANUAL
CONNECTION TYPE FLANGE ALL ENDS
FLANGE SHAPE ROUND WITH HOLES ALL ENDS
NOMINAL OUTSIDE DIAMETER 6.525 INCHES ALL ENDS
NOMINAL THICKNESS 0.500 INCHES ALL ENDS
BOLT HOLE QUANTITY 8 ALL ENDS
BOLT HOLE NOMINAL DIAMETER 0.562 INCHES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER 5.500 INCHES ALL ENDS
FLANGE FACE DESIGN PLAIN ALL ENDS
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE 15.0 TO 18.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-262-0942

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 4820-01-262-0942

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable 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 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