Product Details | SAFETY RELIEF VALVE

4820-01-200-1726 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: 5159A12BB55, 5159A-12BB-55, 5335901, 4820-01-200-1726, 01-200-1726, 4820012001726, 012001726

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 31 JAN 1985 01-200-1726

Drawings & Photos | NSN 4820-01-200-1726


Demand History | NSN 4820-01-200-1726

Part Number Request Date QTY Origin
4820-01-200-1726 2021-05-146 1 DIBBS
4820-01-200-1726 2020-11-335 1 DIBBS
4820-01-200-1726 2020-10-281 1 DIBBS
4820-01-200-1726 2020-09-267 1 DIBBS
4820-01-200-1726 2020-03-69 2 DIBBS
4820-01-200-1726 2020-02-57 2 DIBBS
4820-01-200-1726 2019-11-308 1 DIBBS
4820-01-200-1726 2019-10-296 1 DIBBS
4820-01-200-1726 2019-06-154 2 DIBBS
4820-01-200-1726 2019-05-143 2 DIBBS
4820-01-200-1726 2014-09-251 1 DIBBS
4820-01-200-1726 2014-08-223 7 DIBBS

Cross Reference | NSN 4820-01-200-1726

Part Number Cage Code Manufacturer
5159A-12BB-55 91816 CIRCOR AEROSPACE, INC. DBA CIRCLE SEAL CONTROLS
5335901 15090 RAYTHEON COMPANY DBA RAYTHEON
5335901 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4820-01-200-1726

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 BODY
STYLE DESIGNATOR C7 STRAIGHT THRU
FLOW CONTROL DEVICE POPPET
MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE ACETYLENE 2ND RESPONSE AMMONIA, GASEOUS 3RD RESPONSE REFRIGERANT 12 4TH RESPONSE HYDROGEN 5TH RESPONSE
MAXIMUM OPERATING PRESSURE 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP 250.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLE G4 GASKET SEAL ALL ENDS
THREAD SERIES DESIGNATOR UN ALL ENDS
NOMINAL THREAD SIZE 1.062 INCHES ALL ENDS
THREAD QUANTITY PER INCH 12 ALL ENDS
THREAD CLASS 3B ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS
OPENING PRESSURE SETTING 55.0 POUNDS PER SQUARE INCH
ADJUSTABLE PRESSURE RANGE 10.0 TO 2400.0 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 4820-01-200-1726

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 576 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4820-01-200-1726

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